Question

Evaluate b^2 for b= -4

Answer 1

16

Explanation:

We have the expression:

b^2

We know that b= -4. Therefore, we can substitute -4 in for b.

(-4)^2

-4^2 is the same as multiplying 4, 2 times.

-4^2

=-4*-4

2 negative numbers multiplied together make a positive number.

= 16

Answer 2

16

Explanation:

b^2

Let b= -4

(-4)^2

16