Question

What is the relation between the variables in the equation

X^4/y=7?

a. x varies inversely as y
b. x4 varies directly as y
c. y varies directly as x4
d. y varies inversely as x4

Answer 1

b. x^4 varies directly as y.

Explanation:

x^4 = 7×y

x^4 is proportional to y.