Question

If y varies directly with x and y= – 93 when x= – 3, find y when x=2.

Answer 1

Below

Explanation:

y varies directly with x means

y = k x

now with y = -93 and x = -3

-93 = k (-3) shows k = 30

so y = 30 x

now with x = -2

y = 30 (-2) = -60