Question

Write an equation of the direct variation that includes the point (-10,-17).

Answer 1

We know that when x= -10, y= -17.

So, if we put those into direct variation "y=kx", we get
-17= k(-10)
k   = -17 / -10

Now we put the value of "k" into the formula and we get A (y= 17/10x )