Question

Evaluate the expression using the given values.
|9x^2 -8y|; x = 2, y = 4
|9x^2 -8y| =

Answer 1

is this correct

Answer 2

|9(2)^2 -8(4)|
|9(4) - 8(4)|
|36 - 32|
|4| = 4

Answer 3

No, my previous response was not correct. Here is the correct evaluation:

|9x^2 - 8y| = |9(2)^2 - 8(4)|
|9(4) - 8(4)|
|36 - 32|
|4| = 4