Question

If x = -2 and y = 3, by how much does 2y2 - x exceed 2x2 - y?

A)5
B)11
C)15
D)27

Answer 1

First off, you need to plug your x and y values into their variables in the equations. Can you do that?

Answer 2

2*3^2- -2=20
2(-2)^2-3=5

Answer 3

so its A

Answer 4

Alright, good. So now all you need to do is subtract the result second equation from the result of the first.

Answer 5

i mean C

Answer 6

*result of the second equation