Question

What is the discriminat of the Quadratic equation 0=-x^2+4x-2

Answer 1

It is 8.

Explanation:

The discriminant of the equation ax^2 + bx + c = 0 is b^2 - 4ac.

So for -x^2 + 4x - 2 it is 4^2 - 4 * -1 * -2

= 16 - 8

= 8 (answer).