Discriminant of the quadratic equation x^2 + 9x + 2 = 0 is?
Discriminant of the quadratic equation x^2 + 9x + 2 = 0 is?
Explanation
The discriminant (D) of a quadratic equation ax^2 + bx + c = 0 is given by:
D = b^2 - 4ac
Given:
a = 1, b = 9, c = 2
D = 9^2 - 4(1)(2)
= 81 - 8
= 73