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