Question

2. Evaluate the expression for a = –1 and b = 5. Show your work.
5a – 7b + b2

Answer 1

Greetings!

Input the values which represent the variables:
$=5a-7b+b^2$

$=5(-1)-7(5)+(5)^2$

Solve following the Order of Operations:
$=5(-1)-7(5)+25$

$=-5-7(5)+25$

The Answer Is:
$\boxed{-15}$

I hope this helped!
-Benjamin