Question

Please help me on this for my quiz: Which equation represents an inverse variation with a constant of 56?

A: y/x=56
B: 7/y=8/x
C: 1/4y=14x
D:xy/2=28

Answer 1

D) xy/2 = 28

Explanation:

Inverse Variation:

y = k/x

Given:

k = 56

Work:

y = k/x

y = 56/x

xy = 56

xy/2 = 28

xy = 28 * 2

xy = 56