Question

Evaluate b 2 − 4 a c if:
a = 1 b = − 3 c = − 1

Answer 1

Answer:

Step-by-step explanation:

B²-4*A*C

A = 1

B = -3

C = -1.

= (-3)²-4*1*-1

= 9+4

= 13.

HOPE THIS HELPS.

Answer 2

-3×2-4×1×-1

-6-(-4)

-6+4

-2