114k views
11 votes
Evaluate the expression 8 - 4x * y ^ 2 for x = 3 and y = - 2 . - 40 48 80

1 Answer

5 votes

Answer:

-40

Explanation:

8 - 4x * y ^ 2

Let x =3 and y = -2

8 - 4(3) (-2)^2

Exponents first

8 - 4(3) (4)

Multiply

8 - 48

Subtract

-40

User Kyle Rosenbluth
by
4.0k points