Solve the problem.
-A wire of length 8x is bent into the shape of a square. Express the area A of the square as a function of x.
A) $A ( x ) = 2 x ^ { 2 }$
B) $A ( x ) = \frac { 1 } { 16 } x ^ { 2 }$
C) $\mathrm { A } ( \mathrm { x } ) = 4 \mathrm { x } ^ { 2 }$
D) $A ( x ) = 8 x ^ { 2 }$

Question

Solve the problem.
-A wire of length 8x is bent into the shape of a square. Express the area A of the square as a function of x. 
A) $A ( x ) = 2 x ^ { 2 }$
B) $A ( x ) = \frac { 1 } { 16 } x ^ { 2 }$
C) $\mathrm { A } ( \mathrm { x } ) = 4 \mathrm { x } ^ { 2 }$
D) $A ( x ) = 8 x ^ { 2 }$

Quizplus · Accepted Answer

The perimeter of the square is 8x, so each side is 2x. The area is side squared, so $A(x) = (2x)^2 = 4x^2$.

Solve the Problem A(x)=2x2A ( x ) = 2 x ^ { 2 }A(x)=2x2

Solve the Problem $A ( x ) = 2 x ^ { 2 }$