Question

Use the discriminant to determine the number of real solutions of 3x2+6x−42=0
(1 point)
Responses

2
2

1
1

0
0

3

Answer 1

Discriminant Δ = b^2 − 4ac = 6^2 − 4(3)(−42) = 36 + 504 = 540 > 0, so there are 2 real solutions.