Write a variation model. Use k as the constant of variation. Q is directly proportional to the square of x and inversely proportional to the cube of y.
A) $Q = \frac { k x ^ { 2 } } { y ^ { 3 } }$
B) $Q = \frac { k x ^ { 2 } } { \sqrt [ 3 ] { y } }$
C) $Q = k x ^ { 2 } y ^ { 3 }$
D) $Q = k x ^ { 2 } + \frac { k } { y ^ { 3 } }$

Question

Write a variation model. Use k as the constant of variation. Q is directly proportional to the square of x and inversely proportional to the cube of y. 
A) $Q = \frac { k x ^ { 2 } } { y ^ { 3 } }$
B) $Q = \frac { k x ^ { 2 } } { \sqrt [ 3 ] { y } }$
C) $Q = k x ^ { 2 } y ^ { 3 }$
D) $Q = k x ^ { 2 } + \frac { k } { y ^ { 3 } }$

Quizplus · Accepted Answer

Direct proportionality to $x^2$ and inverse proportionality to $y^3$ are represented by $Q = \frac{kx^2}{y^3}$.

Write a Variation Model Q=kx2y3Q = \frac { k x ^ { 2 } } { y ^ { 3 } }Q=y3kx2​

Write a Variation Model $Q = \frac { k x ^ { 2 } } { y ^ { 3 } }$