Question

If y varies directly with x, find the missing value below.

(-9, -45) and (11, y)

Answer 1

y=55



Explanation:


If you’re looking to see how 11 and y would match -9 and -45 you would find the unit rate of -9 and -45.

-9/-9=1
-45/-9=5

So if the y is going up by 5’s it would be 55.