Question

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

Answer 1

Answer:

93

Step-by-step explanation:

The discriminant is given by b^2 -4ac  where ax^2 +bx +c =0

We are given x^2-9x-3=0  so a=1  b = -9 and c = -3

b^2 -4ac

(-9)^2 -4(1)(-3)

81 + 12

93