Question

A quadratic equation has a discriminant of 12. Which could be the equation?

0 = –x2 + 8x + 2
0 = 2x2 + 6x + 3
0 = –x2 + 4x + 1
0 = 4x2 + 2x + 1

Answer 1

Hello,

Answer B

a) Δ=8²+4*2=72
b)36-4*3*2=12
c)4²+4*1=20
d)4-4*4*1=-12

Answer 2

Answer:

0 =  2x2 + 6x + 3

Step-by-step explanation:

B