Question

What is the discriminant of the quadratic equation 9x^2-3x-4=0

Answer 1

153

Explanation:

discriminant = b² - 4ac

ax² + bx + c = 0

9x² - 3x - 4 = 0

a = 9

b = -3

c = -4

discriminant = (-3)² - 4(9)(-4) = 9 + 144 = 153