SOLUTION: Evaluate b^2 -4a when a = -1, b = -3

Algebra ->  Expressions-with-variables -> SOLUTION: Evaluate b^2 -4a when a = -1, b = -3      Log On


   

Question 17576: Evaluate b^2 -4a when a = -1, b = -3
Answer by whisper(27) About Me  (Show Source):
You can put this solution on YOUR website!
To solve this answer we must substitute into the expression the values for a and b. The given information is:
b^2 - 4a when a = -1, b = -3
Thus:
(-1)^2 - 4(-3) Don't forget the order of operations: PEMDAS.
1 - (-12)
1 + 12
13
Please don't hesitate to ask if you have further questions!