Deck 44: Partial Fractions

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Question
Write the form of the partial fraction decomposition of the rational expression.Do not solve for the constants.​ x36x3+24x\frac { x - 3 } { 6 x ^ { 3 } + 24 x }

A) x36x3+B24x\frac { x - 3 } { 6 x ^ { 3 } } + \frac { B } { 24 x }
B) A6x+B6x2+C4x\frac { A } { 6 x } + \frac { B } { 6 x ^ { 2 } } + \frac { C } { 4 x }
C) A6xBx+Cx2+4+D6x3+24x\frac { A } { 6 x } - \frac { B x + C } { x ^ { 2 } + 4 } + \frac { D } { 6 x ^ { 3 } + 24 x }
D) A6x+Bx+Cx2+4\frac { A } { 6 x } + \frac { B x + C } { x ^ { 2 } + 4 }
E) A6x+Bx+4+Cx+4\frac { A } { 6 x } + \frac { B } { x + 4 } + \frac { C } { x + 4 }
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Question
Write the form of the partial fraction decomposition of the rational expression.Do not solve for the constants.​ x29x+207x3+19x2\frac { x ^ { 2 } - 9 x + 20 } { 7 x ^ { 3 } + 19 x ^ { 2 } }

A) Ax+B7x3+19x2\frac { A } { x } + \frac { B } { 7 x ^ { 3 } + 19 x ^ { 2 } }
B) Ax+B7x2+19\frac { A } { x } + \frac { B } { 7 x ^ { 2 } + 19 }
C) Ax+Bx29x+20+C7x2+19\frac { A } { x } + \frac { B } { x ^ { 2 } - 9 x + 20 } + \frac { C } { 7 x ^ { 2 } + 19 }
D) A9x3B19x2C7x+19\frac { A } { 9 x ^ { 3 } } - \frac { B } { 19 x ^ { 2 } } - \frac { C } { 7 x + 19 }
E)​ Ax+Bx2+C7x+19\frac { A } { x } + \frac { B } { x ^ { 2 } } + \frac { C } { 7 x + 19 }
Question
Write the form of the partial fraction decomposition of the rational expression.Do not solve for the constants.​ x4x(x2+7)2\frac { x - 4 } { x \left( x ^ { 2 } + 7 \right) ^ { 2 } }

A) Ax+Bx2+7+C(x2+7x4)2\frac { A } { x } + \frac { B } { x ^ { 2 } + 7 } + \frac { C } { \left( x ^ { 2 } + 7 x ^ { 4 } \right) ^ { 2 } }
B) Ax+Bx+Cx2+7+Dx+E(x+7)2\frac { A } { x } + \frac { B x + C } { x ^ { 2 } + 7 } + \frac { D x + E } { ( x + 7 ) ^ { 2 } }
C) AxBx+C(x2+7)2Dx+Ex(x2+7)2\frac { A } { x } - \frac { B x + C } { \left( x ^ { 2 } + 7 \right) ^ { 2 } } - \frac { D x + E } { x \left( x ^ { 2 } + 7 \right) ^ { 2 } }
D) Ax+Bx+Cx2+7+Dx+E(x2+7)2\frac { A } { x } + \frac { B x + C } { x ^ { 2 } + 7 } + \frac { D x + E } { \left( x ^ { 2 } + 7 \right) ^ { 2 } }
E) Ax4+Bx+Cx2+7+Dx+E(x2+7)2\frac { A } { x - 4 } + \frac { B x + C } { x ^ { 2 } + 7 } + \frac { D x + E } { \left( x ^ { 2 } + 7 \right) ^ { 2 } }
Question
Write the form of the partial fraction decomposition of the rational expression.​ 5x1x(x2+5)\frac { 5 x - 1 } { x \left( x ^ { 2 } + 5 \right) }

A) Ax+Bx+Cx+Dx2+5\frac { A x + B } { x } + \frac { C x + D } { x ^ { 2 } + 5 }
B) Ax+Bx2+Cx+Dx5\frac { A } { x } + \frac { B } { x ^ { 2 } } + \frac { C x + D } { x - 5 }
C) Ax2+Bx+5\frac { A } { x ^ { 2 } } + \frac { B } { x + 5 }
D) Ax+Bx2+Cx+5\frac { A } { x } + \frac { B } { x ^ { 2 } } + \frac { C } { x + 5 }
E) Ax+Bx+Cx2+5\frac { A } { x } + \frac { B x + C } { x ^ { 2 } + 5 }
Question
Write the partial fraction decomposition of the rational expression.Check your result algebraically.​         26~~~~~~~~26
x2+3x40\overline { x ^ { 2 } + 3 x - 40 }

A) 1x5+1x+8\frac { 1 } { x - 5 } + \frac { 1 } { x + 8 }
B) 1x51x+8\frac { 1 } { x - 5 } - \frac { 1 } { x + 8 }
C) 2x52x+8\frac { 2 } { x - 5 } - \frac { 2 } { x + 8 }
D) 2x+52x8\frac { 2 } { x + 5 } - \frac { 2 } { x - 8 }
E) 2x5+2x+8\frac { 2 } { x - 5 } + \frac { 2 } { x + 8 }
Question
Write the partial fraction decomposition of the rational expression.Check your result algebraically.​ 5x25x\frac { 5 } { x ^ { 2 } - 5 x }

A) Ax+Bx5\frac { A } { x } + \frac { B } { x - 5 }
B) 1x+5+1x\frac { 1 } { x + 5 } + \frac { 1 } { x }
C) 1x1x+5\frac { 1 } { x } - \frac { 1 } { x + 5 }
D) 1x51x\frac { 1 } { x - 5 } - \frac { 1 } { x }
E) AxBx5\frac { A } { x } - \frac { B } { x - 5 }
Question
Write the form of the partial fraction decomposition of the rational expression.​ 6x1x(x4)\frac { 6 x - 1 } { x ( x - 4 ) }

A) Ax+Bx+Cx+Dx+4\frac { A x + B } { x } + \frac { C x + D } { x + 4 }
B) AxBx+4\frac { A } { x } - \frac { B } { x + 4 }
C) Ax+Bx+Cx+4\frac { A } { x } + \frac { B x + C } { x + 4 }
D) Ax+Bx2+Cx4\frac { A } { x } + \frac { B } { x ^ { 2 } } + \frac { C } { x - 4 }
E) Ax+Bx4\frac { A } { x } + \frac { B } { x - 4 }
Question
Write the form of the partial fraction decomposition of the rational expression.Do not solve for the constants.​ 4x23x\frac { 4 } { x ^ { 2 } - 3 x }

A) Ax+Bx3\frac { A } { x } + \frac { B } { x - 3 }
B) Ax+B4(x+3)\frac { A } { x } + \frac { B } { 4 ( x + 3 ) }
C) 1x+1x3+1x+3\frac { 1 } { x } + \frac { 1 } { x - 3 } + \frac { 1 } { x + 3 }
D) Ax23x+B4(x4)\frac { A } { x ^ { 2 } - 3 x } + \frac { B } { 4 ( x - 4 ) }
E) A4xBx3\frac { A } { 4 x } - \frac { B } { x - 3 }
Question
Write the form of the partial fraction decomposition of the rational expression.Do not solve for the constants.​ 5x32x2\frac { 5 } { x ^ { 3 } - 2 x ^ { 2 } }

A) Ax2+Bx3+Cx2\frac { A } { x ^ { 2 } } + \frac { B } { x ^ { 3 } } + \frac { C } { x - 2 }
B) Ax+Bx2+Cx2\frac { A } { x } + \frac { B } { x ^ { 2 } } + \frac { C } { x - 2 }
C) Ax+Bx3+Cx22\frac { A } { x } + \frac { B } { x ^ { 3 } } + \frac { C } { x ^ { 2 } - 2 }
D) Ax2Bx3Cx2x2\frac { A } { x ^ { 2 } } - \frac { B } { x ^ { 3 } } - \frac { C } { x - 2 x ^ { 2 } }
E) Ax2+Bx22\frac { A } { x ^ { 2 } } + \frac { B } { x ^ { 2 } - 2 }
Question
Write the form of the partial fraction decomposition of the rational expression.Do not solve for the constants.​ x+2x2(3x8)2\frac { x + 2 } { x ^ { 2 } ( 3 x - 8 ) ^ { 2 } }

A) Ax+2+Bx2+8+C3x8+D(3x+8)2\frac { A } { x + 2 } + \frac { B } { x ^ { 2 } + 8 } + \frac { C } { 3 x - 8 } + \frac { D } { ( 3 x + 8 ) ^ { 2 } }
B)​ Ax2Bx2Cx2(3x8)D(3x8)2\frac { A } { x - 2 } - \frac { B } { x ^ { 2 } } - \frac { C } { x ^ { 2 } ( 3 x - 8 ) } - \frac { D } { ( 3 x - 8 ) ^ { 2 } }
C) Ax+2+Bx2+C(3x8)2\frac { A } { x + 2 } + \frac { B } { x ^ { 2 } } + \frac { C } { ( 3 x - 8 ) ^ { 2 } }
D) Ax2+C(3x8)3+D(3x8)3\frac { A } { x ^ { 2 } } + \frac { C } { ( 3 x - 8 ) ^ { 3 } } + \frac { D } { ( 3 x - 8 ) ^ { 3 } }
E) Ax+Bx2+C3x8+D(3x8)2\frac { A } { x } + \frac { B } { x ^ { 2 } } + \frac { C } { 3 x - 8 } + \frac { D } { ( 3 x - 8 ) ^ { 2 } }
Question
Write the form of the partial fraction decomposition of the rational expression.​ 5x1x2(x7)\frac { 5 x - 1 } { x ^ { 2 } ( x - 7 ) }

A) Ax+Bx2+Cx+Dx7\frac { A } { x } + \frac { B } { x ^ { 2 } } + \frac { C x + D } { x - 7 }
B) Ax2+Bx+7\frac { A } { x ^ { 2 } } + \frac { B } { x + 7 }
C) Ax2+Bx+Cx+7\frac { A } { x ^ { 2 } } + \frac { B x + C } { x + 7 }
D) Ax+Bx+Cx+Dx+7\frac { A x + B } { x } + \frac { C x + D } { x + 7 }
E) Ax+Bx2+Cx7\frac { A } { x } + \frac { B } { x ^ { 2 } } + \frac { C } { x - 7 }
Question
Write the form of the partial fraction decomposition of the rational expression.​ 6x1x(x216)\frac { 6 x - 1 } { x \left( x ^ { 2 } - 16 \right) }

A) Ax+Bx2+Cx+Dx216\frac { A } { x } + \frac { B } { x ^ { 2 } } + \frac { C x + D } { x ^ { 2 } - 16 }
B) A6x+Bx+C6(x+4)+Cx+D6(x4)\frac { A } { 6 x } + \frac { B x + C } { 6 ( x + 4 ) } + \frac { C x + D } { 6 ( x - 4 ) }
C) Ax+Bx2+Cx+Dx16\frac { A } { x } + \frac { B } { x ^ { 2 } } + \frac { C x + D } { x - 16 }
D) Ax+Bx+4+Cx4\frac { A } { x } + \frac { B } { x + 4 } + \frac { C } { x - 4 }
E) AxB(x+16)(x16)\frac { A } { x } - \frac { B } { ( x + 16 ) ( x - 16 ) }
Question
Write the form of the partial fraction decomposition of the rational expression.Do not solve for the constants.​ 5x4x3+5x\frac { 5 x - 4 } { x ^ { 3 } + 5 x }

A) A5x4+Bx+Cx3+5x\frac { A } { 5 x - 4 } + \frac { B x + C } { x ^ { 3 } + 5 x }
B) AxBx+Cx2+5+Dx3+5\frac { A } { x } - \frac { B x + C } { x ^ { 2 } + 5 } + \frac { D } { x ^ { 3 } + 5 }
C) Ax+Bx+Cx2+5\frac { A } { x } + \frac { B x + C } { x ^ { 2 } + 5 }
D) Ax+BxCx2+5+D5x4\frac { A } { x } + \frac { B x - C } { x ^ { 2 } + 5 } + \frac { D } { 5 x - 4 }
E) Ax+Bx2+Bx+Cx+5\frac { A } { x } + \frac { B } { x ^ { 2 } } + \frac { B x + C } { x + 5 }
Question
Write the partial fraction decomposition of the rational expression.Check your result algebraically.​ 8x2+2x3\frac { 8 } { x ^ { 2 } + 2 x - 3 }

A) 2x1+2x+3\frac { 2 } { x - 1 } + \frac { 2 } { x + 3 }
B) 1x1+1x+3\frac { 1 } { x - 1 } + \frac { 1 } { x + 3 }
C) 1x11x+3\frac { 1 } { x - 1 } - \frac { 1 } { x + 3 }
D) 2x12x+3\frac { 2 } { x - 1 } - \frac { 2 } { x + 3 }
E) 2x+12x3\frac { 2 } { x + 1 } - \frac { 2 } { x - 3 }
Question
Write the partial fraction decomposition of the rational expression.Check your result algebraically.​ x+1x22x8\frac { x + 1 } { x ^ { 2 } - 2 x - 8 }

A) 16(2x44x+2)\frac { 1 } { 6 } \left( \frac { 2 } { x - 4 } - \frac { 4 } { x + 2 } \right)
B) 12(5x41x+2)\frac { 1 } { 2 } \left( \frac { 5 } { x - 4 } - \frac { 1 } { x + 2 } \right)
C) 16(5x41x+2)\frac { 1 } { 6 } \left( \frac { 5 } { x - 4 } - \frac { 1 } { x + 2 } \right)
D) 14(5x41x+2)\frac { 1 } { 4 } \left( \frac { 5 } { x - 4 } - \frac { 1 } { x + 2 } \right)
E) 16(5x4+1x+2)\frac { 1 } { 6 } \left( \frac { 5 } { x - 4 } + \frac { 1 } { x + 2 } \right)
Question
Write the partial fraction decomposition of the rational expression.Check your result algebraically.​ 14x2+x\frac { 1 } { 4 x ^ { 2 } + x }

A) 1x+44x+1\frac { 1 } { x } + \frac { 4 } { 4 x + 1 }
B) Ax4B4x+1\frac { A } { x } - \frac { 4 B } { 4 x + 1 }
C) Ax+4B4x+1\frac { A } { x } + \frac { 4 B } { 4 x + 1 }
D) 1x+44x+1\frac { 1 } { x } + \frac { 4 } { 4 x + 1 } .
E) 1x44x+1\frac { 1 } { x } - \frac { 4 } { 4 x + 1 }
Question
Write the partial fraction decomposition of the rational expression.Check your result algebraically.​ 5x2+5x\frac { 5 } { x ^ { 2 } + 5 x }

A) Ax+Bx5\frac { A } { x } + \frac { B } { x - 5 }
B) 1x1x+5\frac { 1 } { x } - \frac { 1 } { x + 5 }
C) 1x+1x+5\frac { 1 } { x } + \frac { 1 } { x + 5 }
D) AxBx5\frac { A } { x } - \frac { B } { x - 5 }
E) 1x1x5\frac { 1 } { x } - \frac { 1 } { x - 5 }
Question
Write the form of the partial fraction decomposition of the rational expression.Do not solve for the constants.​ 5x+4(x+2)4\frac { 5 x + 4 } { ( x + 2 ) ^ { 4 } }

A) A(x+2)2+B(x+2)3+C(x+2)4\frac { A } { ( x + 2 ) ^ { 2 } } + \frac { B } { ( x + 2 ) ^ { 3 } } + \frac { C } { ( x + 2 ) ^ { 4 } }
B) A(x+2)4\frac { A } { ( x + 2 ) ^ { 4 } }
C) 5x+24(x+2)22(x+2)34(x+2)4\frac { 5 } { x + 2 } - \frac { 4 } { ( x + 2 ) ^ { 2 } } - \frac { 2 } { ( x + 2 ) ^ { 3 } } - \frac { 4 } { ( x + 2 ) ^ { 4 } }
D) A(x+2)2+B(x+2)2\frac { A } { ( x + 2 ) ^ { 2 } } + \frac { B } { ( x + 2 ) ^ { 2 } }
E) Ax+2+B(x+2)2+C(x+2)3+D(x+2)4\frac { A } { x + 2 } + \frac { B } { ( x + 2 ) ^ { 2 } } + \frac { C } { ( x + 2 ) ^ { 3 } } + \frac { D } { ( x + 2 ) ^ { 4 } }
Question
Write the form of the partial fraction decomposition of the rational expression.Do not solve for the constants.​ 7x2+6(x6)3\frac { 7 x ^ { 2 } + 6 } { ( x - 6 ) ^ { 3 } }

A) A(x6)3\frac { A } { ( x - 6 ) ^ { 3 } }
B) 7x6+6x6+6x6\frac { 7 } { x - 6 } + \frac { 6 } { x - 6 } + \frac { 6 } { x - 6 }
C) Ax6+B(x6)2\frac { A } { x - 6 } + \frac { B } { ( x - 6 ) ^ { 2 } }
D) Ax6+B(x6)2+C(x6)3\frac { A } { x - 6 } + \frac { B } { ( x - 6 ) ^ { 2 } } + \frac { C } { ( x - 6 ) ^ { 3 } }
E) A6(x6)B7(x6)2C7(x6)3\frac { A } { 6 ( x - 6 ) } - \frac { B } { 7 ( x - 6 ) ^ { 2 } } - \frac { C } { 7 ( x - 6 ) ^ { 3 } }
Question
Write the form of the partial fraction decomposition of the rational expression.Do not solve for the constants.​ x3x2+7x+12\frac { x - 3 } { x ^ { 2 } + 7 x + 12 }

A) 3x+3+3x+4+3x+3\frac { 3 } { x + 3 } + \frac { 3 } { x + 4 } + \frac { 3 } { x + 3 }
B) 1x+3+1x+4\frac { 1 } { x + 3 } + \frac { 1 } { x + 4 }
C) Ax+3Bx+4+Cx+3\frac { A } { x + 3 } - \frac { B } { x + 4 } + \frac { C } { x + 3 }
D) Ax3Bx4+Cx4\frac { A } { x - 3 } - \frac { B } { x - 4 } + \frac { C } { x - 4 }
E) Ax+3+Bx+4\frac { A } { x + 3 } + \frac { B } { x + 4 }
Question
Write the partial fraction decomposition of the rational expression.Check your result algebraically.​ 3x23x2x3x\frac { 3 x ^ { 2 } - 3 x - 2 } { x ^ { 3 } - x }

A) 2x+2x+11x+1\frac { 2 } { x } + \frac { 2 } { x + 1 } - \frac { 1 } { x + 1 }
B) 2x+2x+11x1\frac { 2 } { x } + \frac { 2 } { x + 1 } - \frac { 1 } { x - 1 }
C) 2x2x+11x1\frac { 2 } { x } - \frac { 2 } { x + 1 } - \frac { 1 } { x - 1 }
D) 2x+2x+1+1x1\frac { 2 } { x } + \frac { 2 } { x + 1 } + \frac { 1 } { x - 1 }
E) 2x+2x11x1\frac { 2 } { x } + \frac { 2 } { x - 1 } - \frac { 1 } { x - 1 }
Question
Write the partial fraction decomposition of the rational expression.​ 5x2x2+x1\frac { 5 - x } { 2 x ^ { 2 } + x - 1 }

A) 32x12x+1\frac { 3 } { 2 x - 1 } - \frac { 2 } { x + 1 }
B)​ 32x+1+2x+1\frac { 3 } { 2 x + 1 } + \frac { 2 } { x + 1 }
C) 32x12x1\frac { 3 } { 2 x - 1 } - \frac { 2 } { x - 1 }
D) 32x1+2x+1\frac { 3 } { 2 x - 1 } + \frac { 2 } { x + 1 }
E) 32x+12x+1\frac { 3 } { 2 x + 1 } - \frac { 2 } { x + 1 }
Question
Write the partial fraction decomposition of the rational expression.​ 1x(x+q)\frac { 1 } { x ( x + q ) }

A) qxqx+q\frac { q } { x } - \frac { q } { x + q }
B) 1q(1x+1x+q)\frac { 1 } { q } \left( \frac { 1 } { x } + \frac { 1 } { x + q } \right)
C) 1q(1x1x+q)\frac { 1 } { q } \left( \frac { 1 } { x } - \frac { 1 } { x + q } \right)
D) 1x1x+q\frac { 1 } { x } - \frac { 1 } { x + q }
E) 1x1xq\frac { 1 } { x } - \frac { 1 } { x - q }
Question
Write the partial fraction decomposition of the rational function.​ 2(4x3)x29\frac { 2 ( 4 x - 3 ) } { x ^ { 2 } - 9 }

A) 3x3+5x3\frac { 3 } { x - 3 } + \frac { 5 } { x - 3 }
B) 3x3+5x+3\frac { 3 } { x - 3 } + \frac { 5 } { x + 3 }
C) 3x35x3\frac { 3 } { x - 3 } - \frac { 5 } { x - 3 }
D) 3x3+2x+3\frac { 3 } { x - 3 } + \frac { 2 } { x + 3 }
E) 3x35x3\frac { 3 } { x - 3 } - \frac { 5 } { x - 3 } .
Question
Write the partial fraction decomposition of the rational expression.​ 3x2+3x+18(x2+6)2\frac { 3 x ^ { 2 } + 3 x + 18 } { \left( x ^ { 2 } + 6 \right) ^ { 2 } }

A) 3x+3(x2+6)2\frac { 3 x + 3 } { \left( x ^ { 2 } + 6 \right) ^ { 2 } }
B) 3x2+63x(x2+6)2\frac { 3 } { x ^ { 2 } + 6 } - \frac { 3 x } { \left( x ^ { 2 } + 6 \right) ^ { 2 } }
C) 3x2+6+3x(x2+6)2\frac { 3 } { x ^ { 2 } + 6 } + \frac { 3 x } { \left( x ^ { 2 } + 6 \right) ^ { 2 } }
D) 3x+18x2+6+3x(x2+6)2\frac { 3 x + 18 } { x ^ { 2 } + 6 } + \frac { 3 x } { \left( x ^ { 2 } + 6 \right) ^ { 2 } }
E) 3x2+6+3(x2+6)2\frac { 3 } { x ^ { 2 } + 6 } + \frac { 3 } { \left( x ^ { 2 } + 6 \right) ^ { 2 } }
Question
The predicted cost C (in thousands of dollars)for a company to remove p% of a chemical from its waste water is given by the model​ C=124p90,000p2,0p<100C = \frac { 124 p } { 90,000 - p ^ { 2 } } , 0 \leq p < 100 . ​
Write the partial fraction decomposition for the rational function.Verify your result by using the table feature of a graphing utility to create a table comparing the original function with the partial fractions.

A) 1300p1300+p\frac { 1 } { 300 - p } - \frac { 1 } { 300 + p }
B) 124300p124300+p\frac { 124 } { 300 - p } - \frac { 124 } { 300 + p }
C) 62300p62(300p)2\frac { 62 } { 300 - p } - \frac { 62 } { ( 300 - p ) ^ { 2 } }
D) 62300p62300+p\frac { 62 } { 300 - p } - \frac { 62 } { 300 + p }
E) 62300p+62300+p\frac { 62 } { 300 - p } + \frac { 62 } { 300 + p }
Question
Write the partial fraction decomposition of the rational expression.​ 1y(qy)\frac { 1 } { y ( q - y ) }

A) 1q(1y+1q+y)\frac { 1 } { q } \left( \frac { 1 } { y } + \frac { 1 } { q + y } \right)
B) 1q(1y1qy)\frac { 1 } { q } \left( \frac { 1 } { y } - \frac { 1 } { q - y } \right)
C) 1y+1qy\frac { 1 } { y } + \frac { 1 } { q - y }
D) 1q(1y+1qy)\frac { 1 } { q } \left( \frac { 1 } { y } + \frac { 1 } { q - y } \right)
E) 1q(1y1qy)\frac { 1 } { q } \left( - \frac { 1 } { y } - \frac { 1 } { q - y } \right)
Question
Write the partial fraction decomposition of the rational expression.Check your result algebraically.​ 1x216\frac { 1 } { x ^ { 2 } - 16 }

A) 18(Ax4Bx+4)\frac { 1 } { 8 } \left( \frac { A } { x - 4 } - \frac { B } { x + 4 } \right)
B) 8x48x+4\frac { 8 } { x - 4 } - \frac { 8 } { x + 4 }
C) 18(8x48x+4)\frac { 1 } { 8 } \left( \frac { 8 } { x - 4 } - \frac { 8 } { x + 4 } \right)
D) 18(1x41x+4)\frac { 1 } { 8 } \left( \frac { 1 } { x - 4 } - \frac { 1 } { x + 4 } \right)
E) 18(1x4+1x+4)\frac { 1 } { 8 } \left( \frac { 1 } { x - 4 } + \frac { 1 } { x + 4 } \right)
Question
Write the partial fraction decomposition of the rational function.​ x16x(x4)\frac { x - 16 } { x ( x - 4 ) }

A) 4x3x4- \frac { 4 } { x } - \frac { 3 } { x - 4 }
B) 4x3x4\frac { 4 } { x } - \frac { 3 } { x - 4 }
C) 4x3x+4- \frac { 4 } { x } - \frac { 3 } { x + 4 }
D) 4x+3x4\frac { 4 } { x } + \frac { 3 } { x - 4 }
E) 4x+3x+4\frac { 4 } { x } + \frac { 3 } { x + 4 }
Question
Write the partial fraction decomposition of the rational expression.Check your result algebraically.​ 7x8(x1)2\frac { 7 x - 8 } { ( x - 1 ) ^ { 2 } }

A) 7x1+1(x+1)3\frac { 7 } { x - 1 } + \frac { 1 } { ( x + 1 ) ^ { 3 } }
B) 7x11(x+1)2\frac { 7 } { x - 1 } - \frac { 1 } { ( x + 1 ) ^ { 2 } }
C) 7(x1)21(x1)3\frac { 7 } { ( x - 1 ) ^ { 2 } } - \frac { 1 } { ( x - 1 ) ^ { 3 } }
D) 7x11(x1)2\frac { 7 } { x - 1 } - \frac { 1 } { ( x - 1 ) ^ { 2 } }
E) 7x1+1(x1)2\frac { 7 } { x - 1 } + \frac { 1 } { ( x - 1 ) ^ { 2 } }
Question
Write the partial fraction decomposition of the rational expression.​ 7x23x6x3x\frac { 7 x ^ { 2 } - 3 x - 6 } { x ^ { 3 } - x }

A) 6x+2x11x1\frac { 6 } { x } + \frac { 2 } { x - 1 } - \frac { 1 } { x - 1 }
B) 6x+2x+1+1x1\frac { 6 } { x } + \frac { 2 } { x + 1 } + \frac { 1 } { x - 1 }
C) 6x2x+11x1\frac { 6 } { x } - \frac { 2 } { x + 1 } - \frac { 1 } { x - 1 }
D) 6x+2x+11x+1\frac { 6 } { x } + \frac { 2 } { x + 1 } - \frac { 1 } { x + 1 }
E) 6x+2x+11x1\frac { 6 } { x } + \frac { 2 } { x + 1 } - \frac { 1 } { x - 1 }
Question
Write the partial fraction decomposition of the rational expression.Check your result algebraically.​ 3x2+7x+7x3+x\frac { 3 x ^ { 2 } + 7 x + 7 } { x ^ { 3 } + x }

A) 7x4x+7x2+1\frac { 7 } { x } - \frac { 4 x + 7 } { x ^ { 2 } + 1 }
B) 7x+4x7x2+1\frac { 7 } { x } + \frac { 4 x - 7 } { x ^ { 2 } + 1 }
C) 7x+4x+7x2+1\frac { 7 } { x } + \frac { 4 x + 7 } { x ^ { 2 } + 1 }
D) 7x7x7x2+1\frac { 7 } { x } - \frac { 7 x - 7 } { x ^ { 2 } + 1 }
E) 7x4x7x2+1\frac { 7 } { x } - \frac { 4 x - 7 } { x ^ { 2 } + 1 }
Question
Write the partial fraction decomposition of the rational expression.Check your result algebraically.​ 5x2+3x1x2(x+1)\frac { 5 x ^ { 2 } + 3 x - 1 } { x ^ { 2 } ( x + 1 ) }

A) 4x1x21x1- \frac { 4 } { x } - \frac { 1 } { x ^ { 2 } } - \frac { 1 } { x - 1 }
B) 4x1x21x+1\frac { 4 } { x } - \frac { 1 } { x ^ { 2 } } - \frac { 1 } { x + 1 }
C) 4x1x2+1x1- \frac { 4 } { x } - \frac { 1 } { x ^ { 2 } } + \frac { 1 } { x - 1 }
D) 4x+1x2+1x+1\frac { 4 } { x } + \frac { 1 } { x ^ { 2 } } + \frac { 1 } { x + 1 }
E) 4x1x2+1x+1\frac { 4 } { x } - \frac { 1 } { x ^ { 2 } } + \frac { 1 } { x + 1 }
Question
Write the partial fraction decomposition of the rational expression.Check your result algebraically.​ 2x(x2)2\frac { 2 x } { ( x - 2 ) ^ { 2 } }

A) 2x24x2\frac { 2 } { x - 2 } - \frac { 4 } { x - 2 }
B) 2x2+4(x2)2\frac { 2 } { x - 2 } + \frac { 4 } { ( x - 2 ) ^ { 2 } }
C) 2x2+2x2\frac { 2 } { x - 2 } + \frac { 2 } { x - 2 }
D) 2x2+4(x2)3\frac { 2 } { x - 2 } + \frac { 4 } { ( x - 2 ) ^ { 3 } }
E) 2x24(x2)2\frac { 2 } { x - 2 } - \frac { 4 } { ( x - 2 ) ^ { 2 } }
Question
Write the partial fraction decomposition of the rational expression.​ 1a2x2\frac { 1 } { a ^ { 2 } - x ^ { 2 } }

A) 12a(1a+x1ax)\frac { 1 } { 2 a } \left( \frac { 1 } { a + x } - \frac { 1 } { a - x } \right)
B) aa+x+aax\frac { a } { a + x } + \frac { a } { a - x }
C) 12a(1a+x+1ax)\frac { 1 } { 2 a } \left( \frac { 1 } { a + x } + \frac { 1 } { a - x } \right)
D) 12a(1ax+1(ax)2)\frac { 1 } { 2 a } \left( \frac { 1 } { a - x } + \frac { 1 } { ( a - x ) ^ { 2 } } \right)
E) 1a(1a+x+1ax)\frac { 1 } { a } \left( \frac { 1 } { a + x } + \frac { 1 } { a - x } \right)
Question
Determine whether the statement is true or false.Justify your answer. ​
For the rational expression x(x+60)(x60)2\frac{x} { ( x + 60 ) ( x - 60 ) ^ { 2 } } the partial fraction decomposition is of the form Ax+60+B(x60)2\frac { A } { x + 60 } + \frac { B } { ( x - 60 ) ^ { 2 } } .


A)False.The partial fraction decomposition is Ax+60+Bx60+C(x60)2\frac { A } { x + 60 } + \frac { B } { x - 60 } + \frac { C } { ( x - 60 ) ^ { 2 } } .
B)True
Question
Write the partial fraction decomposition of the rational expression.Check your result algebraically.​ 4x2+3x+20(x2+5)2\frac { 4 x ^ { 2 } + 3 x + 20 } { \left( x ^ { 2 } + 5 \right) ^ { 2 } }

A) 4x2+5+3(x2+5)2\frac { 4 } { x ^ { 2 } + 5 } + \frac { 3 } { \left( x ^ { 2 } + 5 \right) ^ { 2 } }
B) 4x+20x2+5+3x(x2+5)2\frac { 4 x + 20 } { x ^ { 2 } + 5 } + \frac { 3 x } { \left( x ^ { 2 } + 5 \right) ^ { 2 } }
C) 3x+4(x2+5)2\frac { 3 x + 4 } { \left( x ^ { 2 } + 5 \right) ^ { 2 } }
D) 4x2+53x(x2+5)2\frac { 4 } { x ^ { 2 } + 5 } - \frac { 3 x } { \left( x ^ { 2 } + 5 \right) ^ { 2 } }
E) 4x2+5+3x(x2+5)2\frac { 4 } { x ^ { 2 } + 5 } + \frac { 3 x } { \left( x ^ { 2 } + 5 \right) ^ { 2 } }
Question
Write the form of the partial fraction decomposition of the rational expression.Do not solve for the constants. 1x2+2x\frac { 1 } { x ^ { 2 } + 2 x }

A) Axx2+Bxx+2\frac { A x } { x ^ { 2 } } + \frac { B x } { x + 2 }
B) Ax+Bxx+2\frac { A } { x } + \frac { B x } { x + 2 }
C) Ax2+Bx+2\frac { A } { x ^ { 2 } } + \frac { B } { x + 2 }
D) Ax+Bx+2\frac { A } { x } + \frac { B } { x + 2 }
E) AxBxx+2\frac { A } { x } - \frac { B x } { x + 2 }
Question
Write the partial fraction decomposition of the rational expression.​ 1(x+1)(ax)\frac { 1 } { ( x + 1 ) ( a - x ) }

A) 1a+1(1x+11ax)\frac { 1 } { a + 1 } \left( \frac { 1 } { x + 1 } - \frac { 1 } { a - x } \right)
B) 1a+1(1x+1+1x)\frac { 1 } { a + 1 } \left( \frac { 1 } { x + 1 } + \frac { 1 } { x } \right)
C) 1a(1x+1+1ax)\frac { 1 } { a } \left( \frac { 1 } { x + 1 } + \frac { 1 } { a - x } \right)
D) 1a+1(1x+1+1ax)\frac { 1 } { a + 1 } \left( \frac { 1 } { x + 1 } + \frac { 1 } { a - x } \right)
E) 1a+1(1x+11a+x)\frac { 1 } { a + 1 } \left( \frac { 1 } { x + 1 } - \frac { 1 } { a + x } \right)
Question
Write the partial fraction decomposition of the rational expression.Check your result algebraically.​ 125x236\frac { 1 } { 25 x ^ { 2 } - 36 }

A) 112(125x6125x+6)\frac { 1 } { 12 } \left( \frac { 12 } { 5 x - 6 } - \frac { 12 } { 5 x + 6 } \right)
B) 15x615x+6\frac { 1 } { 5 x - 6 } - \frac { 1 } { 5 x + 6 }
C) 112(15x6+15x+6)\frac { 1 } { 12 } \left( \frac { 1 } { 5 x - 6 } + \frac { 1 } { 5 x + 6 } \right)
D) 112(12A5x612B5x+6)\frac { 1 } { 12 } \left( \frac { 12 A } { 5 x - 6 } - \frac { 12 B } { 5 x + 6 } \right)
E) 112(15x615x+6)\frac { 1 } { 12 } \left( \frac { 1 } { 5 x - 6 } - \frac { 1 } { 5 x + 6 } \right)
Question
Write the form of the partial fraction decomposition of the rational expression.Do not solve for the constants. 6x21(x+8)3\frac { 6 x ^ { 2 } - 1 } { ( x + 8 ) ^ { 3 } }

A) Ax+8+Bx(x+8)2+Cx2(x+8)3\frac { A } { x + 8 } + \frac { B x } { ( x + 8 ) ^ { 2 } } + \frac { C x ^ { 2 } } { ( x + 8 ) ^ { 3 } }
B) Ax+Bx+8+Cx+D(x+8)2+Ex+F(x+8)3\frac { A x + B } { x + 8 } + \frac { C x + D } { ( x + 8 ) ^ { 2 } } + \frac { E x + F } { ( x + 8 ) ^ { 3 } }
C) Ax2(x+8)3+B(x+8)3\frac { A x ^ { 2 } } { ( x + 8 ) ^ { 3 } } + \frac { B } { ( x + 8 ) ^ { 3 } }
D) Ax+8+B(x+8)2+C(x+8)3\frac { A } { x + 8 } + \frac { B } { ( x + 8 ) ^ { 2 } } + \frac { C } { ( x + 8 ) ^ { 3 } }
E) Ax+8+B(x+8)2\frac { A } { x + 8 } + \frac { B } { ( x + 8 ) ^ { 2 } }
Question
Write the partial fraction decomposition of the rational expression. 3x23x+27x2(x+3)\frac { - 3 x ^ { 2 } - 3 x + 27 } { x ^ { 2 } ( x + 3 ) }

A) 1x+3+9x2\frac { 1 } { x + 3 } + \frac { 9 } { x ^ { 2 } }
B) 1x+34x+2x2\frac { 1 } { x + 3 } - \frac { 4 } { x } + \frac { 2 } { x ^ { 2 } }
C) 1x+34x+9x2\frac { 1 } { x + 3 } - \frac { 4 } { x } + \frac { 9 } { x ^ { 2 } }
D) 1x+3+4x9x2\frac { 1 } { x + 3 } + \frac { 4 } { x } - \frac { 9 } { x ^ { 2 } }
E) 3x+33x(x+3)+27x2(x+3)\frac { - 3 } { x + 3 } - \frac { 3 } { x ( x + 3 ) } + \frac { 27 } { x ^ { 2 } ( x + 3 ) }
Question
Write the partial fraction decomposition of the rational expression. x2x423x250\frac { x ^ { 2 } } { x ^ { 4 } - 23 x ^ { 2 } - 50 }

A)​ 1x216x210\frac { 1 } { x ^ { 2 } } - \frac { 1 } { 6 } - \frac { x ^ { 2 } } { 10 }
B) 127(2x2+2+52(x5)52(x+5))\frac { 1 } { 27 } \left( \frac { 2 } { x ^ { 2 } + 2 } + \frac { 5 } { 2 ( x - 5 ) } - \frac { 5 } { 2 ( x + 5 ) } \right)
C) 127(2x2+2+5(x+2)2(x5)+52(x5))\frac { 1 } { 27 } \left( \frac { 2 } { x ^ { 2 } + 2 } + \frac { 5 ( x + 2 ) } { 2 ( x - 5 ) } + \frac { 5 } { 2 ( x - 5 ) } \right)
D) 127(2x2+252(x5)+52(x+5))\frac { 1 } { 27 } \left( \frac { 2 } { x ^ { 2 } + 2 } - \frac { 5 } { 2 ( x - 5 ) } + \frac { 5 } { 2 ( x + 5 ) } \right)
E) 127(2x2+2+52(x5)52(x+5))\frac { 1 } { 27 } \left( \frac { 2 } { x ^ { 2 } + 2 } + \frac { 5 } { 2 ( x - 5 ) } - \frac { 5 } { 2 ( x + 5 ) } \right) .
Question
Write the partial fraction decomposition of the rational expression. 116x2121\frac { 1 } { 16 x ^ { 2 } - 121 }

A) 122(14x1114x+11)\frac { 1 } { 22 } \left( \frac { 1 } { 4 x - 11 } - \frac { 1 } { 4 x + 11 } \right)
B) 111(14x1114x+11)\frac { 1 } { 11 } \left( \frac { 1 } { 4 x - 11 } - \frac { 1 } { 4 x + 11 } \right)
C) 14x21121\frac { 1 } { 4 x ^ { 2 } } - \frac { 1 } { 121 }
D) 122(x44x11x44x+11)\frac { 1 } { 22 } \left( \frac { x - 4 } { 4 x - 11 } - \frac { x - 4 } { 4 x + 11 } \right)
E) 111(14x+1114x11)\frac { 1 } { 11 } \left( \frac { 1 } { 4 x + 11 } - \frac { 1 } { 4 x - 11 } \right)
Question
Write the form of the partial fraction decomposition of the rational expression.Do not solve for the constants. x+5x(x2+6)2\frac { x + 5 } { x \left( x ^ { 2 } + 6 \right) ^ { 2 } }

A) Ax+Bx+C(x2+6)2\frac { A } { x } + \frac { B x + C } { \left( x ^ { 2 } + 6 \right) ^ { 2 } }
B) Ax+Bx2+6+Cx+D(x2+6)2\frac { A x + B } { x ^ { 2 } + 6 } + \frac { C x + D } { \left( x ^ { 2 } + 6 \right) ^ { 2 } }
C) Ax+Bx+Cx2+6+Dx+E(x2+6)2\frac { A } { x } + \frac { B x + C } { x ^ { 2 } + 6 } + \frac { D x + E } { \left( x ^ { 2 } + 6 \right) ^ { 2 } }
D) Ax+Bx+Cx+Dx2+6+Ex+F(x2+6)2\frac { A x + B } { x } + \frac { C x + D } { x ^ { 2 } + 6 } + \frac { E x + F } { \left( x ^ { 2 } + 6 \right) ^ { 2 } }
E) Ax+Bx2+6+C(x2+6)2\frac { A } { x } + \frac { B } { x ^ { 2 } + 6 } + \frac { C } { \left( x ^ { 2 } + 6 \right) ^ { 2 } }
Question
Write the partial fraction decomposition of the improper rational expression. x2+4xx2+x+1\frac { x ^ { 2 } + 4 x } { x ^ { 2 } + x + 1 }

A)​ 1+4x1x2+x+11 + \frac { 4 x - 1 } { x ^ { 2 } + x + 1 }
B) 1+3x1x2+x+11 + \frac { 3 x - 1 } { x ^ { 2 } + x + 1 }
C) x2x2+x+1+4xx2+x+1\frac { x ^ { 2 } } { x ^ { 2 } + x + 1 } + \frac { 4 x } { x ^ { 2 } + x + 1 }
D) x2+4xx2+x+1\frac { x ^ { 2 } + 4 x } { x ^ { 2 } + x + 1 }
E) 3x1x2+x+1\frac { 3 x - 1 } { x ^ { 2 } + x + 1 }
Question
Write the partial fraction decomposition of the improper rational expression. x32x214x+48x2+x20\frac { x ^ { 3 } - 2 x ^ { 2 } - 14 x + 48 } { x ^ { 2 } + x - 20 }

A) 13(8x4+19x+5)\frac { 1 } { 3 } \left( \frac { 8 } { x - 4 } + \frac { 19 } { x + 5 } \right)
B) x3+13(8x419x+5)x - 3 + \frac { 1 } { 3 } \left( \frac { 8 } { x - 4 } - \frac { 19 } { x + 5 } \right)
C)​ x3+13(8x4+19x+5)x - 3 + \frac { 1 } { 3 } \left( \frac { 8 } { x - 4 } + \frac { 19 } { x + 5 } \right)
D) x3+13(16x+4+19x5)x - 3 + \frac { 1 } { 3 } \left( \frac { 16 } { x + 4 } + \frac { 19 } { x - 5 } \right)
E) x313(16x419x5)x - 3 - \frac { 1 } { 3 } \left( \frac { 16 } { x - 4 } - \frac { 19 } { x - 5 } \right)
Question
​Write the partial fraction decomposition of the rational expression. 9x2+16x+63\frac { 9 } { x ^ { 2 } + 16 x + 63 }

A)​ 92(1x+91x+7)\frac { 9 } { 2 } \left( \frac { 1 } { x + 9 } - \frac { 1 } { x + 7 } \right)
B)​ 9x2+16x+63\frac { 9 } { x ^ { 2 } + 16 x + 63 }
C)​ 9x2+916x+17\frac { 9 } { x ^ { 2 } } + \frac { 9 } { 16 x } + \frac { 1 } { 7 }
D)​ 92(1x71x9)\frac { 9 } { 2 } \left( \frac { 1 } { x - 7 } - \frac { 1 } { x - 9 } \right)
E) 92(1x+71x+9)\frac { 9 } { 2 } \left( \frac { 1 } { x + 7 } - \frac { 1 } { x + 9 } \right)
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Deck 44: Partial Fractions
1
Write the form of the partial fraction decomposition of the rational expression.Do not solve for the constants.​ x36x3+24x\frac { x - 3 } { 6 x ^ { 3 } + 24 x }

A) x36x3+B24x\frac { x - 3 } { 6 x ^ { 3 } } + \frac { B } { 24 x }
B) A6x+B6x2+C4x\frac { A } { 6 x } + \frac { B } { 6 x ^ { 2 } } + \frac { C } { 4 x }
C) A6xBx+Cx2+4+D6x3+24x\frac { A } { 6 x } - \frac { B x + C } { x ^ { 2 } + 4 } + \frac { D } { 6 x ^ { 3 } + 24 x }
D) A6x+Bx+Cx2+4\frac { A } { 6 x } + \frac { B x + C } { x ^ { 2 } + 4 }
E) A6x+Bx+4+Cx+4\frac { A } { 6 x } + \frac { B } { x + 4 } + \frac { C } { x + 4 }
A6x+Bx+Cx2+4\frac { A } { 6 x } + \frac { B x + C } { x ^ { 2 } + 4 }
2
Write the form of the partial fraction decomposition of the rational expression.Do not solve for the constants.​ x29x+207x3+19x2\frac { x ^ { 2 } - 9 x + 20 } { 7 x ^ { 3 } + 19 x ^ { 2 } }

A) Ax+B7x3+19x2\frac { A } { x } + \frac { B } { 7 x ^ { 3 } + 19 x ^ { 2 } }
B) Ax+B7x2+19\frac { A } { x } + \frac { B } { 7 x ^ { 2 } + 19 }
C) Ax+Bx29x+20+C7x2+19\frac { A } { x } + \frac { B } { x ^ { 2 } - 9 x + 20 } + \frac { C } { 7 x ^ { 2 } + 19 }
D) A9x3B19x2C7x+19\frac { A } { 9 x ^ { 3 } } - \frac { B } { 19 x ^ { 2 } } - \frac { C } { 7 x + 19 }
E)​ Ax+Bx2+C7x+19\frac { A } { x } + \frac { B } { x ^ { 2 } } + \frac { C } { 7 x + 19 }
Ax+Bx2+C7x+19\frac { A } { x } + \frac { B } { x ^ { 2 } } + \frac { C } { 7 x + 19 }
3
Write the form of the partial fraction decomposition of the rational expression.Do not solve for the constants.​ x4x(x2+7)2\frac { x - 4 } { x \left( x ^ { 2 } + 7 \right) ^ { 2 } }

A) Ax+Bx2+7+C(x2+7x4)2\frac { A } { x } + \frac { B } { x ^ { 2 } + 7 } + \frac { C } { \left( x ^ { 2 } + 7 x ^ { 4 } \right) ^ { 2 } }
B) Ax+Bx+Cx2+7+Dx+E(x+7)2\frac { A } { x } + \frac { B x + C } { x ^ { 2 } + 7 } + \frac { D x + E } { ( x + 7 ) ^ { 2 } }
C) AxBx+C(x2+7)2Dx+Ex(x2+7)2\frac { A } { x } - \frac { B x + C } { \left( x ^ { 2 } + 7 \right) ^ { 2 } } - \frac { D x + E } { x \left( x ^ { 2 } + 7 \right) ^ { 2 } }
D) Ax+Bx+Cx2+7+Dx+E(x2+7)2\frac { A } { x } + \frac { B x + C } { x ^ { 2 } + 7 } + \frac { D x + E } { \left( x ^ { 2 } + 7 \right) ^ { 2 } }
E) Ax4+Bx+Cx2+7+Dx+E(x2+7)2\frac { A } { x - 4 } + \frac { B x + C } { x ^ { 2 } + 7 } + \frac { D x + E } { \left( x ^ { 2 } + 7 \right) ^ { 2 } }
Ax+Bx+Cx2+7+Dx+E(x2+7)2\frac { A } { x } + \frac { B x + C } { x ^ { 2 } + 7 } + \frac { D x + E } { \left( x ^ { 2 } + 7 \right) ^ { 2 } }
4
Write the form of the partial fraction decomposition of the rational expression.​ 5x1x(x2+5)\frac { 5 x - 1 } { x \left( x ^ { 2 } + 5 \right) }

A) Ax+Bx+Cx+Dx2+5\frac { A x + B } { x } + \frac { C x + D } { x ^ { 2 } + 5 }
B) Ax+Bx2+Cx+Dx5\frac { A } { x } + \frac { B } { x ^ { 2 } } + \frac { C x + D } { x - 5 }
C) Ax2+Bx+5\frac { A } { x ^ { 2 } } + \frac { B } { x + 5 }
D) Ax+Bx2+Cx+5\frac { A } { x } + \frac { B } { x ^ { 2 } } + \frac { C } { x + 5 }
E) Ax+Bx+Cx2+5\frac { A } { x } + \frac { B x + C } { x ^ { 2 } + 5 }
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5
Write the partial fraction decomposition of the rational expression.Check your result algebraically.​         26~~~~~~~~26
x2+3x40\overline { x ^ { 2 } + 3 x - 40 }

A) 1x5+1x+8\frac { 1 } { x - 5 } + \frac { 1 } { x + 8 }
B) 1x51x+8\frac { 1 } { x - 5 } - \frac { 1 } { x + 8 }
C) 2x52x+8\frac { 2 } { x - 5 } - \frac { 2 } { x + 8 }
D) 2x+52x8\frac { 2 } { x + 5 } - \frac { 2 } { x - 8 }
E) 2x5+2x+8\frac { 2 } { x - 5 } + \frac { 2 } { x + 8 }
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6
Write the partial fraction decomposition of the rational expression.Check your result algebraically.​ 5x25x\frac { 5 } { x ^ { 2 } - 5 x }

A) Ax+Bx5\frac { A } { x } + \frac { B } { x - 5 }
B) 1x+5+1x\frac { 1 } { x + 5 } + \frac { 1 } { x }
C) 1x1x+5\frac { 1 } { x } - \frac { 1 } { x + 5 }
D) 1x51x\frac { 1 } { x - 5 } - \frac { 1 } { x }
E) AxBx5\frac { A } { x } - \frac { B } { x - 5 }
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7
Write the form of the partial fraction decomposition of the rational expression.​ 6x1x(x4)\frac { 6 x - 1 } { x ( x - 4 ) }

A) Ax+Bx+Cx+Dx+4\frac { A x + B } { x } + \frac { C x + D } { x + 4 }
B) AxBx+4\frac { A } { x } - \frac { B } { x + 4 }
C) Ax+Bx+Cx+4\frac { A } { x } + \frac { B x + C } { x + 4 }
D) Ax+Bx2+Cx4\frac { A } { x } + \frac { B } { x ^ { 2 } } + \frac { C } { x - 4 }
E) Ax+Bx4\frac { A } { x } + \frac { B } { x - 4 }
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8
Write the form of the partial fraction decomposition of the rational expression.Do not solve for the constants.​ 4x23x\frac { 4 } { x ^ { 2 } - 3 x }

A) Ax+Bx3\frac { A } { x } + \frac { B } { x - 3 }
B) Ax+B4(x+3)\frac { A } { x } + \frac { B } { 4 ( x + 3 ) }
C) 1x+1x3+1x+3\frac { 1 } { x } + \frac { 1 } { x - 3 } + \frac { 1 } { x + 3 }
D) Ax23x+B4(x4)\frac { A } { x ^ { 2 } - 3 x } + \frac { B } { 4 ( x - 4 ) }
E) A4xBx3\frac { A } { 4 x } - \frac { B } { x - 3 }
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9
Write the form of the partial fraction decomposition of the rational expression.Do not solve for the constants.​ 5x32x2\frac { 5 } { x ^ { 3 } - 2 x ^ { 2 } }

A) Ax2+Bx3+Cx2\frac { A } { x ^ { 2 } } + \frac { B } { x ^ { 3 } } + \frac { C } { x - 2 }
B) Ax+Bx2+Cx2\frac { A } { x } + \frac { B } { x ^ { 2 } } + \frac { C } { x - 2 }
C) Ax+Bx3+Cx22\frac { A } { x } + \frac { B } { x ^ { 3 } } + \frac { C } { x ^ { 2 } - 2 }
D) Ax2Bx3Cx2x2\frac { A } { x ^ { 2 } } - \frac { B } { x ^ { 3 } } - \frac { C } { x - 2 x ^ { 2 } }
E) Ax2+Bx22\frac { A } { x ^ { 2 } } + \frac { B } { x ^ { 2 } - 2 }
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10
Write the form of the partial fraction decomposition of the rational expression.Do not solve for the constants.​ x+2x2(3x8)2\frac { x + 2 } { x ^ { 2 } ( 3 x - 8 ) ^ { 2 } }

A) Ax+2+Bx2+8+C3x8+D(3x+8)2\frac { A } { x + 2 } + \frac { B } { x ^ { 2 } + 8 } + \frac { C } { 3 x - 8 } + \frac { D } { ( 3 x + 8 ) ^ { 2 } }
B)​ Ax2Bx2Cx2(3x8)D(3x8)2\frac { A } { x - 2 } - \frac { B } { x ^ { 2 } } - \frac { C } { x ^ { 2 } ( 3 x - 8 ) } - \frac { D } { ( 3 x - 8 ) ^ { 2 } }
C) Ax+2+Bx2+C(3x8)2\frac { A } { x + 2 } + \frac { B } { x ^ { 2 } } + \frac { C } { ( 3 x - 8 ) ^ { 2 } }
D) Ax2+C(3x8)3+D(3x8)3\frac { A } { x ^ { 2 } } + \frac { C } { ( 3 x - 8 ) ^ { 3 } } + \frac { D } { ( 3 x - 8 ) ^ { 3 } }
E) Ax+Bx2+C3x8+D(3x8)2\frac { A } { x } + \frac { B } { x ^ { 2 } } + \frac { C } { 3 x - 8 } + \frac { D } { ( 3 x - 8 ) ^ { 2 } }
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11
Write the form of the partial fraction decomposition of the rational expression.​ 5x1x2(x7)\frac { 5 x - 1 } { x ^ { 2 } ( x - 7 ) }

A) Ax+Bx2+Cx+Dx7\frac { A } { x } + \frac { B } { x ^ { 2 } } + \frac { C x + D } { x - 7 }
B) Ax2+Bx+7\frac { A } { x ^ { 2 } } + \frac { B } { x + 7 }
C) Ax2+Bx+Cx+7\frac { A } { x ^ { 2 } } + \frac { B x + C } { x + 7 }
D) Ax+Bx+Cx+Dx+7\frac { A x + B } { x } + \frac { C x + D } { x + 7 }
E) Ax+Bx2+Cx7\frac { A } { x } + \frac { B } { x ^ { 2 } } + \frac { C } { x - 7 }
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12
Write the form of the partial fraction decomposition of the rational expression.​ 6x1x(x216)\frac { 6 x - 1 } { x \left( x ^ { 2 } - 16 \right) }

A) Ax+Bx2+Cx+Dx216\frac { A } { x } + \frac { B } { x ^ { 2 } } + \frac { C x + D } { x ^ { 2 } - 16 }
B) A6x+Bx+C6(x+4)+Cx+D6(x4)\frac { A } { 6 x } + \frac { B x + C } { 6 ( x + 4 ) } + \frac { C x + D } { 6 ( x - 4 ) }
C) Ax+Bx2+Cx+Dx16\frac { A } { x } + \frac { B } { x ^ { 2 } } + \frac { C x + D } { x - 16 }
D) Ax+Bx+4+Cx4\frac { A } { x } + \frac { B } { x + 4 } + \frac { C } { x - 4 }
E) AxB(x+16)(x16)\frac { A } { x } - \frac { B } { ( x + 16 ) ( x - 16 ) }
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13
Write the form of the partial fraction decomposition of the rational expression.Do not solve for the constants.​ 5x4x3+5x\frac { 5 x - 4 } { x ^ { 3 } + 5 x }

A) A5x4+Bx+Cx3+5x\frac { A } { 5 x - 4 } + \frac { B x + C } { x ^ { 3 } + 5 x }
B) AxBx+Cx2+5+Dx3+5\frac { A } { x } - \frac { B x + C } { x ^ { 2 } + 5 } + \frac { D } { x ^ { 3 } + 5 }
C) Ax+Bx+Cx2+5\frac { A } { x } + \frac { B x + C } { x ^ { 2 } + 5 }
D) Ax+BxCx2+5+D5x4\frac { A } { x } + \frac { B x - C } { x ^ { 2 } + 5 } + \frac { D } { 5 x - 4 }
E) Ax+Bx2+Bx+Cx+5\frac { A } { x } + \frac { B } { x ^ { 2 } } + \frac { B x + C } { x + 5 }
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14
Write the partial fraction decomposition of the rational expression.Check your result algebraically.​ 8x2+2x3\frac { 8 } { x ^ { 2 } + 2 x - 3 }

A) 2x1+2x+3\frac { 2 } { x - 1 } + \frac { 2 } { x + 3 }
B) 1x1+1x+3\frac { 1 } { x - 1 } + \frac { 1 } { x + 3 }
C) 1x11x+3\frac { 1 } { x - 1 } - \frac { 1 } { x + 3 }
D) 2x12x+3\frac { 2 } { x - 1 } - \frac { 2 } { x + 3 }
E) 2x+12x3\frac { 2 } { x + 1 } - \frac { 2 } { x - 3 }
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15
Write the partial fraction decomposition of the rational expression.Check your result algebraically.​ x+1x22x8\frac { x + 1 } { x ^ { 2 } - 2 x - 8 }

A) 16(2x44x+2)\frac { 1 } { 6 } \left( \frac { 2 } { x - 4 } - \frac { 4 } { x + 2 } \right)
B) 12(5x41x+2)\frac { 1 } { 2 } \left( \frac { 5 } { x - 4 } - \frac { 1 } { x + 2 } \right)
C) 16(5x41x+2)\frac { 1 } { 6 } \left( \frac { 5 } { x - 4 } - \frac { 1 } { x + 2 } \right)
D) 14(5x41x+2)\frac { 1 } { 4 } \left( \frac { 5 } { x - 4 } - \frac { 1 } { x + 2 } \right)
E) 16(5x4+1x+2)\frac { 1 } { 6 } \left( \frac { 5 } { x - 4 } + \frac { 1 } { x + 2 } \right)
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16
Write the partial fraction decomposition of the rational expression.Check your result algebraically.​ 14x2+x\frac { 1 } { 4 x ^ { 2 } + x }

A) 1x+44x+1\frac { 1 } { x } + \frac { 4 } { 4 x + 1 }
B) Ax4B4x+1\frac { A } { x } - \frac { 4 B } { 4 x + 1 }
C) Ax+4B4x+1\frac { A } { x } + \frac { 4 B } { 4 x + 1 }
D) 1x+44x+1\frac { 1 } { x } + \frac { 4 } { 4 x + 1 } .
E) 1x44x+1\frac { 1 } { x } - \frac { 4 } { 4 x + 1 }
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17
Write the partial fraction decomposition of the rational expression.Check your result algebraically.​ 5x2+5x\frac { 5 } { x ^ { 2 } + 5 x }

A) Ax+Bx5\frac { A } { x } + \frac { B } { x - 5 }
B) 1x1x+5\frac { 1 } { x } - \frac { 1 } { x + 5 }
C) 1x+1x+5\frac { 1 } { x } + \frac { 1 } { x + 5 }
D) AxBx5\frac { A } { x } - \frac { B } { x - 5 }
E) 1x1x5\frac { 1 } { x } - \frac { 1 } { x - 5 }
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18
Write the form of the partial fraction decomposition of the rational expression.Do not solve for the constants.​ 5x+4(x+2)4\frac { 5 x + 4 } { ( x + 2 ) ^ { 4 } }

A) A(x+2)2+B(x+2)3+C(x+2)4\frac { A } { ( x + 2 ) ^ { 2 } } + \frac { B } { ( x + 2 ) ^ { 3 } } + \frac { C } { ( x + 2 ) ^ { 4 } }
B) A(x+2)4\frac { A } { ( x + 2 ) ^ { 4 } }
C) 5x+24(x+2)22(x+2)34(x+2)4\frac { 5 } { x + 2 } - \frac { 4 } { ( x + 2 ) ^ { 2 } } - \frac { 2 } { ( x + 2 ) ^ { 3 } } - \frac { 4 } { ( x + 2 ) ^ { 4 } }
D) A(x+2)2+B(x+2)2\frac { A } { ( x + 2 ) ^ { 2 } } + \frac { B } { ( x + 2 ) ^ { 2 } }
E) Ax+2+B(x+2)2+C(x+2)3+D(x+2)4\frac { A } { x + 2 } + \frac { B } { ( x + 2 ) ^ { 2 } } + \frac { C } { ( x + 2 ) ^ { 3 } } + \frac { D } { ( x + 2 ) ^ { 4 } }
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19
Write the form of the partial fraction decomposition of the rational expression.Do not solve for the constants.​ 7x2+6(x6)3\frac { 7 x ^ { 2 } + 6 } { ( x - 6 ) ^ { 3 } }

A) A(x6)3\frac { A } { ( x - 6 ) ^ { 3 } }
B) 7x6+6x6+6x6\frac { 7 } { x - 6 } + \frac { 6 } { x - 6 } + \frac { 6 } { x - 6 }
C) Ax6+B(x6)2\frac { A } { x - 6 } + \frac { B } { ( x - 6 ) ^ { 2 } }
D) Ax6+B(x6)2+C(x6)3\frac { A } { x - 6 } + \frac { B } { ( x - 6 ) ^ { 2 } } + \frac { C } { ( x - 6 ) ^ { 3 } }
E) A6(x6)B7(x6)2C7(x6)3\frac { A } { 6 ( x - 6 ) } - \frac { B } { 7 ( x - 6 ) ^ { 2 } } - \frac { C } { 7 ( x - 6 ) ^ { 3 } }
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20
Write the form of the partial fraction decomposition of the rational expression.Do not solve for the constants.​ x3x2+7x+12\frac { x - 3 } { x ^ { 2 } + 7 x + 12 }

A) 3x+3+3x+4+3x+3\frac { 3 } { x + 3 } + \frac { 3 } { x + 4 } + \frac { 3 } { x + 3 }
B) 1x+3+1x+4\frac { 1 } { x + 3 } + \frac { 1 } { x + 4 }
C) Ax+3Bx+4+Cx+3\frac { A } { x + 3 } - \frac { B } { x + 4 } + \frac { C } { x + 3 }
D) Ax3Bx4+Cx4\frac { A } { x - 3 } - \frac { B } { x - 4 } + \frac { C } { x - 4 }
E) Ax+3+Bx+4\frac { A } { x + 3 } + \frac { B } { x + 4 }
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21
Write the partial fraction decomposition of the rational expression.Check your result algebraically.​ 3x23x2x3x\frac { 3 x ^ { 2 } - 3 x - 2 } { x ^ { 3 } - x }

A) 2x+2x+11x+1\frac { 2 } { x } + \frac { 2 } { x + 1 } - \frac { 1 } { x + 1 }
B) 2x+2x+11x1\frac { 2 } { x } + \frac { 2 } { x + 1 } - \frac { 1 } { x - 1 }
C) 2x2x+11x1\frac { 2 } { x } - \frac { 2 } { x + 1 } - \frac { 1 } { x - 1 }
D) 2x+2x+1+1x1\frac { 2 } { x } + \frac { 2 } { x + 1 } + \frac { 1 } { x - 1 }
E) 2x+2x11x1\frac { 2 } { x } + \frac { 2 } { x - 1 } - \frac { 1 } { x - 1 }
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22
Write the partial fraction decomposition of the rational expression.​ 5x2x2+x1\frac { 5 - x } { 2 x ^ { 2 } + x - 1 }

A) 32x12x+1\frac { 3 } { 2 x - 1 } - \frac { 2 } { x + 1 }
B)​ 32x+1+2x+1\frac { 3 } { 2 x + 1 } + \frac { 2 } { x + 1 }
C) 32x12x1\frac { 3 } { 2 x - 1 } - \frac { 2 } { x - 1 }
D) 32x1+2x+1\frac { 3 } { 2 x - 1 } + \frac { 2 } { x + 1 }
E) 32x+12x+1\frac { 3 } { 2 x + 1 } - \frac { 2 } { x + 1 }
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23
Write the partial fraction decomposition of the rational expression.​ 1x(x+q)\frac { 1 } { x ( x + q ) }

A) qxqx+q\frac { q } { x } - \frac { q } { x + q }
B) 1q(1x+1x+q)\frac { 1 } { q } \left( \frac { 1 } { x } + \frac { 1 } { x + q } \right)
C) 1q(1x1x+q)\frac { 1 } { q } \left( \frac { 1 } { x } - \frac { 1 } { x + q } \right)
D) 1x1x+q\frac { 1 } { x } - \frac { 1 } { x + q }
E) 1x1xq\frac { 1 } { x } - \frac { 1 } { x - q }
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24
Write the partial fraction decomposition of the rational function.​ 2(4x3)x29\frac { 2 ( 4 x - 3 ) } { x ^ { 2 } - 9 }

A) 3x3+5x3\frac { 3 } { x - 3 } + \frac { 5 } { x - 3 }
B) 3x3+5x+3\frac { 3 } { x - 3 } + \frac { 5 } { x + 3 }
C) 3x35x3\frac { 3 } { x - 3 } - \frac { 5 } { x - 3 }
D) 3x3+2x+3\frac { 3 } { x - 3 } + \frac { 2 } { x + 3 }
E) 3x35x3\frac { 3 } { x - 3 } - \frac { 5 } { x - 3 } .
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25
Write the partial fraction decomposition of the rational expression.​ 3x2+3x+18(x2+6)2\frac { 3 x ^ { 2 } + 3 x + 18 } { \left( x ^ { 2 } + 6 \right) ^ { 2 } }

A) 3x+3(x2+6)2\frac { 3 x + 3 } { \left( x ^ { 2 } + 6 \right) ^ { 2 } }
B) 3x2+63x(x2+6)2\frac { 3 } { x ^ { 2 } + 6 } - \frac { 3 x } { \left( x ^ { 2 } + 6 \right) ^ { 2 } }
C) 3x2+6+3x(x2+6)2\frac { 3 } { x ^ { 2 } + 6 } + \frac { 3 x } { \left( x ^ { 2 } + 6 \right) ^ { 2 } }
D) 3x+18x2+6+3x(x2+6)2\frac { 3 x + 18 } { x ^ { 2 } + 6 } + \frac { 3 x } { \left( x ^ { 2 } + 6 \right) ^ { 2 } }
E) 3x2+6+3(x2+6)2\frac { 3 } { x ^ { 2 } + 6 } + \frac { 3 } { \left( x ^ { 2 } + 6 \right) ^ { 2 } }
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26
The predicted cost C (in thousands of dollars)for a company to remove p% of a chemical from its waste water is given by the model​ C=124p90,000p2,0p<100C = \frac { 124 p } { 90,000 - p ^ { 2 } } , 0 \leq p < 100 . ​
Write the partial fraction decomposition for the rational function.Verify your result by using the table feature of a graphing utility to create a table comparing the original function with the partial fractions.

A) 1300p1300+p\frac { 1 } { 300 - p } - \frac { 1 } { 300 + p }
B) 124300p124300+p\frac { 124 } { 300 - p } - \frac { 124 } { 300 + p }
C) 62300p62(300p)2\frac { 62 } { 300 - p } - \frac { 62 } { ( 300 - p ) ^ { 2 } }
D) 62300p62300+p\frac { 62 } { 300 - p } - \frac { 62 } { 300 + p }
E) 62300p+62300+p\frac { 62 } { 300 - p } + \frac { 62 } { 300 + p }
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27
Write the partial fraction decomposition of the rational expression.​ 1y(qy)\frac { 1 } { y ( q - y ) }

A) 1q(1y+1q+y)\frac { 1 } { q } \left( \frac { 1 } { y } + \frac { 1 } { q + y } \right)
B) 1q(1y1qy)\frac { 1 } { q } \left( \frac { 1 } { y } - \frac { 1 } { q - y } \right)
C) 1y+1qy\frac { 1 } { y } + \frac { 1 } { q - y }
D) 1q(1y+1qy)\frac { 1 } { q } \left( \frac { 1 } { y } + \frac { 1 } { q - y } \right)
E) 1q(1y1qy)\frac { 1 } { q } \left( - \frac { 1 } { y } - \frac { 1 } { q - y } \right)
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28
Write the partial fraction decomposition of the rational expression.Check your result algebraically.​ 1x216\frac { 1 } { x ^ { 2 } - 16 }

A) 18(Ax4Bx+4)\frac { 1 } { 8 } \left( \frac { A } { x - 4 } - \frac { B } { x + 4 } \right)
B) 8x48x+4\frac { 8 } { x - 4 } - \frac { 8 } { x + 4 }
C) 18(8x48x+4)\frac { 1 } { 8 } \left( \frac { 8 } { x - 4 } - \frac { 8 } { x + 4 } \right)
D) 18(1x41x+4)\frac { 1 } { 8 } \left( \frac { 1 } { x - 4 } - \frac { 1 } { x + 4 } \right)
E) 18(1x4+1x+4)\frac { 1 } { 8 } \left( \frac { 1 } { x - 4 } + \frac { 1 } { x + 4 } \right)
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29
Write the partial fraction decomposition of the rational function.​ x16x(x4)\frac { x - 16 } { x ( x - 4 ) }

A) 4x3x4- \frac { 4 } { x } - \frac { 3 } { x - 4 }
B) 4x3x4\frac { 4 } { x } - \frac { 3 } { x - 4 }
C) 4x3x+4- \frac { 4 } { x } - \frac { 3 } { x + 4 }
D) 4x+3x4\frac { 4 } { x } + \frac { 3 } { x - 4 }
E) 4x+3x+4\frac { 4 } { x } + \frac { 3 } { x + 4 }
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30
Write the partial fraction decomposition of the rational expression.Check your result algebraically.​ 7x8(x1)2\frac { 7 x - 8 } { ( x - 1 ) ^ { 2 } }

A) 7x1+1(x+1)3\frac { 7 } { x - 1 } + \frac { 1 } { ( x + 1 ) ^ { 3 } }
B) 7x11(x+1)2\frac { 7 } { x - 1 } - \frac { 1 } { ( x + 1 ) ^ { 2 } }
C) 7(x1)21(x1)3\frac { 7 } { ( x - 1 ) ^ { 2 } } - \frac { 1 } { ( x - 1 ) ^ { 3 } }
D) 7x11(x1)2\frac { 7 } { x - 1 } - \frac { 1 } { ( x - 1 ) ^ { 2 } }
E) 7x1+1(x1)2\frac { 7 } { x - 1 } + \frac { 1 } { ( x - 1 ) ^ { 2 } }
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31
Write the partial fraction decomposition of the rational expression.​ 7x23x6x3x\frac { 7 x ^ { 2 } - 3 x - 6 } { x ^ { 3 } - x }

A) 6x+2x11x1\frac { 6 } { x } + \frac { 2 } { x - 1 } - \frac { 1 } { x - 1 }
B) 6x+2x+1+1x1\frac { 6 } { x } + \frac { 2 } { x + 1 } + \frac { 1 } { x - 1 }
C) 6x2x+11x1\frac { 6 } { x } - \frac { 2 } { x + 1 } - \frac { 1 } { x - 1 }
D) 6x+2x+11x+1\frac { 6 } { x } + \frac { 2 } { x + 1 } - \frac { 1 } { x + 1 }
E) 6x+2x+11x1\frac { 6 } { x } + \frac { 2 } { x + 1 } - \frac { 1 } { x - 1 }
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32
Write the partial fraction decomposition of the rational expression.Check your result algebraically.​ 3x2+7x+7x3+x\frac { 3 x ^ { 2 } + 7 x + 7 } { x ^ { 3 } + x }

A) 7x4x+7x2+1\frac { 7 } { x } - \frac { 4 x + 7 } { x ^ { 2 } + 1 }
B) 7x+4x7x2+1\frac { 7 } { x } + \frac { 4 x - 7 } { x ^ { 2 } + 1 }
C) 7x+4x+7x2+1\frac { 7 } { x } + \frac { 4 x + 7 } { x ^ { 2 } + 1 }
D) 7x7x7x2+1\frac { 7 } { x } - \frac { 7 x - 7 } { x ^ { 2 } + 1 }
E) 7x4x7x2+1\frac { 7 } { x } - \frac { 4 x - 7 } { x ^ { 2 } + 1 }
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33
Write the partial fraction decomposition of the rational expression.Check your result algebraically.​ 5x2+3x1x2(x+1)\frac { 5 x ^ { 2 } + 3 x - 1 } { x ^ { 2 } ( x + 1 ) }

A) 4x1x21x1- \frac { 4 } { x } - \frac { 1 } { x ^ { 2 } } - \frac { 1 } { x - 1 }
B) 4x1x21x+1\frac { 4 } { x } - \frac { 1 } { x ^ { 2 } } - \frac { 1 } { x + 1 }
C) 4x1x2+1x1- \frac { 4 } { x } - \frac { 1 } { x ^ { 2 } } + \frac { 1 } { x - 1 }
D) 4x+1x2+1x+1\frac { 4 } { x } + \frac { 1 } { x ^ { 2 } } + \frac { 1 } { x + 1 }
E) 4x1x2+1x+1\frac { 4 } { x } - \frac { 1 } { x ^ { 2 } } + \frac { 1 } { x + 1 }
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34
Write the partial fraction decomposition of the rational expression.Check your result algebraically.​ 2x(x2)2\frac { 2 x } { ( x - 2 ) ^ { 2 } }

A) 2x24x2\frac { 2 } { x - 2 } - \frac { 4 } { x - 2 }
B) 2x2+4(x2)2\frac { 2 } { x - 2 } + \frac { 4 } { ( x - 2 ) ^ { 2 } }
C) 2x2+2x2\frac { 2 } { x - 2 } + \frac { 2 } { x - 2 }
D) 2x2+4(x2)3\frac { 2 } { x - 2 } + \frac { 4 } { ( x - 2 ) ^ { 3 } }
E) 2x24(x2)2\frac { 2 } { x - 2 } - \frac { 4 } { ( x - 2 ) ^ { 2 } }
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35
Write the partial fraction decomposition of the rational expression.​ 1a2x2\frac { 1 } { a ^ { 2 } - x ^ { 2 } }

A) 12a(1a+x1ax)\frac { 1 } { 2 a } \left( \frac { 1 } { a + x } - \frac { 1 } { a - x } \right)
B) aa+x+aax\frac { a } { a + x } + \frac { a } { a - x }
C) 12a(1a+x+1ax)\frac { 1 } { 2 a } \left( \frac { 1 } { a + x } + \frac { 1 } { a - x } \right)
D) 12a(1ax+1(ax)2)\frac { 1 } { 2 a } \left( \frac { 1 } { a - x } + \frac { 1 } { ( a - x ) ^ { 2 } } \right)
E) 1a(1a+x+1ax)\frac { 1 } { a } \left( \frac { 1 } { a + x } + \frac { 1 } { a - x } \right)
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36
Determine whether the statement is true or false.Justify your answer. ​
For the rational expression x(x+60)(x60)2\frac{x} { ( x + 60 ) ( x - 60 ) ^ { 2 } } the partial fraction decomposition is of the form Ax+60+B(x60)2\frac { A } { x + 60 } + \frac { B } { ( x - 60 ) ^ { 2 } } .


A)False.The partial fraction decomposition is Ax+60+Bx60+C(x60)2\frac { A } { x + 60 } + \frac { B } { x - 60 } + \frac { C } { ( x - 60 ) ^ { 2 } } .
B)True
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37
Write the partial fraction decomposition of the rational expression.Check your result algebraically.​ 4x2+3x+20(x2+5)2\frac { 4 x ^ { 2 } + 3 x + 20 } { \left( x ^ { 2 } + 5 \right) ^ { 2 } }

A) 4x2+5+3(x2+5)2\frac { 4 } { x ^ { 2 } + 5 } + \frac { 3 } { \left( x ^ { 2 } + 5 \right) ^ { 2 } }
B) 4x+20x2+5+3x(x2+5)2\frac { 4 x + 20 } { x ^ { 2 } + 5 } + \frac { 3 x } { \left( x ^ { 2 } + 5 \right) ^ { 2 } }
C) 3x+4(x2+5)2\frac { 3 x + 4 } { \left( x ^ { 2 } + 5 \right) ^ { 2 } }
D) 4x2+53x(x2+5)2\frac { 4 } { x ^ { 2 } + 5 } - \frac { 3 x } { \left( x ^ { 2 } + 5 \right) ^ { 2 } }
E) 4x2+5+3x(x2+5)2\frac { 4 } { x ^ { 2 } + 5 } + \frac { 3 x } { \left( x ^ { 2 } + 5 \right) ^ { 2 } }
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38
Write the form of the partial fraction decomposition of the rational expression.Do not solve for the constants. 1x2+2x\frac { 1 } { x ^ { 2 } + 2 x }

A) Axx2+Bxx+2\frac { A x } { x ^ { 2 } } + \frac { B x } { x + 2 }
B) Ax+Bxx+2\frac { A } { x } + \frac { B x } { x + 2 }
C) Ax2+Bx+2\frac { A } { x ^ { 2 } } + \frac { B } { x + 2 }
D) Ax+Bx+2\frac { A } { x } + \frac { B } { x + 2 }
E) AxBxx+2\frac { A } { x } - \frac { B x } { x + 2 }
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39
Write the partial fraction decomposition of the rational expression.​ 1(x+1)(ax)\frac { 1 } { ( x + 1 ) ( a - x ) }

A) 1a+1(1x+11ax)\frac { 1 } { a + 1 } \left( \frac { 1 } { x + 1 } - \frac { 1 } { a - x } \right)
B) 1a+1(1x+1+1x)\frac { 1 } { a + 1 } \left( \frac { 1 } { x + 1 } + \frac { 1 } { x } \right)
C) 1a(1x+1+1ax)\frac { 1 } { a } \left( \frac { 1 } { x + 1 } + \frac { 1 } { a - x } \right)
D) 1a+1(1x+1+1ax)\frac { 1 } { a + 1 } \left( \frac { 1 } { x + 1 } + \frac { 1 } { a - x } \right)
E) 1a+1(1x+11a+x)\frac { 1 } { a + 1 } \left( \frac { 1 } { x + 1 } - \frac { 1 } { a + x } \right)
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40
Write the partial fraction decomposition of the rational expression.Check your result algebraically.​ 125x236\frac { 1 } { 25 x ^ { 2 } - 36 }

A) 112(125x6125x+6)\frac { 1 } { 12 } \left( \frac { 12 } { 5 x - 6 } - \frac { 12 } { 5 x + 6 } \right)
B) 15x615x+6\frac { 1 } { 5 x - 6 } - \frac { 1 } { 5 x + 6 }
C) 112(15x6+15x+6)\frac { 1 } { 12 } \left( \frac { 1 } { 5 x - 6 } + \frac { 1 } { 5 x + 6 } \right)
D) 112(12A5x612B5x+6)\frac { 1 } { 12 } \left( \frac { 12 A } { 5 x - 6 } - \frac { 12 B } { 5 x + 6 } \right)
E) 112(15x615x+6)\frac { 1 } { 12 } \left( \frac { 1 } { 5 x - 6 } - \frac { 1 } { 5 x + 6 } \right)
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41
Write the form of the partial fraction decomposition of the rational expression.Do not solve for the constants. 6x21(x+8)3\frac { 6 x ^ { 2 } - 1 } { ( x + 8 ) ^ { 3 } }

A) Ax+8+Bx(x+8)2+Cx2(x+8)3\frac { A } { x + 8 } + \frac { B x } { ( x + 8 ) ^ { 2 } } + \frac { C x ^ { 2 } } { ( x + 8 ) ^ { 3 } }
B) Ax+Bx+8+Cx+D(x+8)2+Ex+F(x+8)3\frac { A x + B } { x + 8 } + \frac { C x + D } { ( x + 8 ) ^ { 2 } } + \frac { E x + F } { ( x + 8 ) ^ { 3 } }
C) Ax2(x+8)3+B(x+8)3\frac { A x ^ { 2 } } { ( x + 8 ) ^ { 3 } } + \frac { B } { ( x + 8 ) ^ { 3 } }
D) Ax+8+B(x+8)2+C(x+8)3\frac { A } { x + 8 } + \frac { B } { ( x + 8 ) ^ { 2 } } + \frac { C } { ( x + 8 ) ^ { 3 } }
E) Ax+8+B(x+8)2\frac { A } { x + 8 } + \frac { B } { ( x + 8 ) ^ { 2 } }
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42
Write the partial fraction decomposition of the rational expression. 3x23x+27x2(x+3)\frac { - 3 x ^ { 2 } - 3 x + 27 } { x ^ { 2 } ( x + 3 ) }

A) 1x+3+9x2\frac { 1 } { x + 3 } + \frac { 9 } { x ^ { 2 } }
B) 1x+34x+2x2\frac { 1 } { x + 3 } - \frac { 4 } { x } + \frac { 2 } { x ^ { 2 } }
C) 1x+34x+9x2\frac { 1 } { x + 3 } - \frac { 4 } { x } + \frac { 9 } { x ^ { 2 } }
D) 1x+3+4x9x2\frac { 1 } { x + 3 } + \frac { 4 } { x } - \frac { 9 } { x ^ { 2 } }
E) 3x+33x(x+3)+27x2(x+3)\frac { - 3 } { x + 3 } - \frac { 3 } { x ( x + 3 ) } + \frac { 27 } { x ^ { 2 } ( x + 3 ) }
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43
Write the partial fraction decomposition of the rational expression. x2x423x250\frac { x ^ { 2 } } { x ^ { 4 } - 23 x ^ { 2 } - 50 }

A)​ 1x216x210\frac { 1 } { x ^ { 2 } } - \frac { 1 } { 6 } - \frac { x ^ { 2 } } { 10 }
B) 127(2x2+2+52(x5)52(x+5))\frac { 1 } { 27 } \left( \frac { 2 } { x ^ { 2 } + 2 } + \frac { 5 } { 2 ( x - 5 ) } - \frac { 5 } { 2 ( x + 5 ) } \right)
C) 127(2x2+2+5(x+2)2(x5)+52(x5))\frac { 1 } { 27 } \left( \frac { 2 } { x ^ { 2 } + 2 } + \frac { 5 ( x + 2 ) } { 2 ( x - 5 ) } + \frac { 5 } { 2 ( x - 5 ) } \right)
D) 127(2x2+252(x5)+52(x+5))\frac { 1 } { 27 } \left( \frac { 2 } { x ^ { 2 } + 2 } - \frac { 5 } { 2 ( x - 5 ) } + \frac { 5 } { 2 ( x + 5 ) } \right)
E) 127(2x2+2+52(x5)52(x+5))\frac { 1 } { 27 } \left( \frac { 2 } { x ^ { 2 } + 2 } + \frac { 5 } { 2 ( x - 5 ) } - \frac { 5 } { 2 ( x + 5 ) } \right) .
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44
Write the partial fraction decomposition of the rational expression. 116x2121\frac { 1 } { 16 x ^ { 2 } - 121 }

A) 122(14x1114x+11)\frac { 1 } { 22 } \left( \frac { 1 } { 4 x - 11 } - \frac { 1 } { 4 x + 11 } \right)
B) 111(14x1114x+11)\frac { 1 } { 11 } \left( \frac { 1 } { 4 x - 11 } - \frac { 1 } { 4 x + 11 } \right)
C) 14x21121\frac { 1 } { 4 x ^ { 2 } } - \frac { 1 } { 121 }
D) 122(x44x11x44x+11)\frac { 1 } { 22 } \left( \frac { x - 4 } { 4 x - 11 } - \frac { x - 4 } { 4 x + 11 } \right)
E) 111(14x+1114x11)\frac { 1 } { 11 } \left( \frac { 1 } { 4 x + 11 } - \frac { 1 } { 4 x - 11 } \right)
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45
Write the form of the partial fraction decomposition of the rational expression.Do not solve for the constants. x+5x(x2+6)2\frac { x + 5 } { x \left( x ^ { 2 } + 6 \right) ^ { 2 } }

A) Ax+Bx+C(x2+6)2\frac { A } { x } + \frac { B x + C } { \left( x ^ { 2 } + 6 \right) ^ { 2 } }
B) Ax+Bx2+6+Cx+D(x2+6)2\frac { A x + B } { x ^ { 2 } + 6 } + \frac { C x + D } { \left( x ^ { 2 } + 6 \right) ^ { 2 } }
C) Ax+Bx+Cx2+6+Dx+E(x2+6)2\frac { A } { x } + \frac { B x + C } { x ^ { 2 } + 6 } + \frac { D x + E } { \left( x ^ { 2 } + 6 \right) ^ { 2 } }
D) Ax+Bx+Cx+Dx2+6+Ex+F(x2+6)2\frac { A x + B } { x } + \frac { C x + D } { x ^ { 2 } + 6 } + \frac { E x + F } { \left( x ^ { 2 } + 6 \right) ^ { 2 } }
E) Ax+Bx2+6+C(x2+6)2\frac { A } { x } + \frac { B } { x ^ { 2 } + 6 } + \frac { C } { \left( x ^ { 2 } + 6 \right) ^ { 2 } }
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46
Write the partial fraction decomposition of the improper rational expression. x2+4xx2+x+1\frac { x ^ { 2 } + 4 x } { x ^ { 2 } + x + 1 }

A)​ 1+4x1x2+x+11 + \frac { 4 x - 1 } { x ^ { 2 } + x + 1 }
B) 1+3x1x2+x+11 + \frac { 3 x - 1 } { x ^ { 2 } + x + 1 }
C) x2x2+x+1+4xx2+x+1\frac { x ^ { 2 } } { x ^ { 2 } + x + 1 } + \frac { 4 x } { x ^ { 2 } + x + 1 }
D) x2+4xx2+x+1\frac { x ^ { 2 } + 4 x } { x ^ { 2 } + x + 1 }
E) 3x1x2+x+1\frac { 3 x - 1 } { x ^ { 2 } + x + 1 }
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47
Write the partial fraction decomposition of the improper rational expression. x32x214x+48x2+x20\frac { x ^ { 3 } - 2 x ^ { 2 } - 14 x + 48 } { x ^ { 2 } + x - 20 }

A) 13(8x4+19x+5)\frac { 1 } { 3 } \left( \frac { 8 } { x - 4 } + \frac { 19 } { x + 5 } \right)
B) x3+13(8x419x+5)x - 3 + \frac { 1 } { 3 } \left( \frac { 8 } { x - 4 } - \frac { 19 } { x + 5 } \right)
C)​ x3+13(8x4+19x+5)x - 3 + \frac { 1 } { 3 } \left( \frac { 8 } { x - 4 } + \frac { 19 } { x + 5 } \right)
D) x3+13(16x+4+19x5)x - 3 + \frac { 1 } { 3 } \left( \frac { 16 } { x + 4 } + \frac { 19 } { x - 5 } \right)
E) x313(16x419x5)x - 3 - \frac { 1 } { 3 } \left( \frac { 16 } { x - 4 } - \frac { 19 } { x - 5 } \right)
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48
​Write the partial fraction decomposition of the rational expression. 9x2+16x+63\frac { 9 } { x ^ { 2 } + 16 x + 63 }

A)​ 92(1x+91x+7)\frac { 9 } { 2 } \left( \frac { 1 } { x + 9 } - \frac { 1 } { x + 7 } \right)
B)​ 9x2+16x+63\frac { 9 } { x ^ { 2 } + 16 x + 63 }
C)​ 9x2+916x+17\frac { 9 } { x ^ { 2 } } + \frac { 9 } { 16 x } + \frac { 1 } { 7 }
D)​ 92(1x71x9)\frac { 9 } { 2 } \left( \frac { 1 } { x - 7 } - \frac { 1 } { x - 9 } \right)
E) 92(1x+71x+9)\frac { 9 } { 2 } \left( \frac { 1 } { x + 7 } - \frac { 1 } { x + 9 } \right)
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