Simplify the expression. Assume that the variables in the denominator are nonzero.
-$\frac { x ^ { 3 } y ^ { 9 } } { x ^ { 7 } y ^ { 4 } }$
A) $\frac { x ^ { 5 } } { y ^ { 4 } }$
B) $\frac { x ^ { 4 } } { y ^ { 4 } }$
C) $\frac { y ^ { 5 } } { x ^ { 4 } }$
D) $\frac { x ^ { 4 } } { y ^ { 5 } }$

Question

Quizplus · Accepted Answer

To simplify the expression, subtract the exponents of like bases in the numerator and denominator: $x^{3-7} = x^{-4}$ and $y^{9-4} = y^{5}$, resulting in $\frac{y^5}{x^4}$.

Simplify the Expression x3y9x7y4\frac { x ^ { 3 } y ^ { 9 } } { x ^ { 7 } y ^ { 4 } }x7y4x3y9​

Simplify the Expression $\frac { x ^ { 3 } y ^ { 9 } } { x ^ { 7 } y ^ { 4 } }$