Question

Is y= -2x^2 the function rule for the points (-2,-8),(-1,-2), (0,0), (1,-2), and (2,-8)?
I am so lost on this question.

Answer 1

on (-2,-8) what is x , y?

Answer 2

x is -2 and y is -8

Answer 3

yes, so plug them in y = -2x^2, what do you get?

Answer 4

Ooh, I got it now. I appreciate it.

Answer 5

Thanks 😊

Answer 6

but you have to test all of the points, not just (-2, -8)

Answer 7

-2 -8