Question

Evaluate b²-4ac if: a = 1 b= -3 C = -1​

Answer 1

3 x 3 - 4 x 1 x -1
9--4
9+4=13

Answer 2

13

Explanation:

To evaluate meant to find its Value at the givens

At a = 1 , b = -3 , c = - 1

`b^(2)-4ac=(-3)^(2) -4*1*-1=9+4=13`

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