Q- Discriminant of equation 3x ^ 2 + 5x + 3 = 0 (A) 11 (B) 12 (C) -12 (D) -11

Question

asked Mar 12, 2022 152k views

2 Answers

Robert Lemiesz · Answer 1 · 2022-03-18T19:22:00+0000

Answer:

Option D is correct

Step-by-step explanation:

$3 {x}^(2) +5x+3=0$

The discriminant of a quadratic is the expression inside the radical of the quadratic formula.

${b}^(2) −4(ac)$

Substitute in the values of a, b, and c.

${5}^(2)−4(3 * 3)$

25−4(3 * 3)

25−4 * 9

25−36

−11