Question

The values of x and y vary directly and one pair of values are given. write an equation that relates to the values x and y. simplify completely.

x=-4 y=6

Answer 1

y = -3/2 x.

Explanation:

y = kx where k is a constant.

6 = -4k

k = 6/-4 = -3/2

So the equation is y = -3/2 x.