Question

Find the value of a^2+b when a=-2and b=5

Answer 1

The answer is 9 or 3squared

Explanation:

Swap the -2 in for a and 5 in for b

When ever a negative number is squared the answer will be a postive number.

Answer 2

9

Explanation:

Just substitute -2 in for a and 5 in for b

`a^2 + b\\-2^2 + 5\\4 + 5\\9`

Whenever you square a negative number the result is positive