What is the discriminant of the quadratic equation 0 = - x^2 + 4x - 2?

-4

8

12

24

Question

Mathematics

Janiya Madden

10 November, 13:28

What is the discriminant of the quadratic equation 0 = - x^2 + 4x - 2?

-4

8

12

24

+4

Answers (1)

Know the Answer?

Miriam Douglas · Answer 1

From this equation:

a: the coefficient of x^2 & b: the coefficient of x & c: the last term

so a=-1; b=4; c=-2;

discriminant = b^2 - 4*a*c

= (4) ^2 - 4 (-1) (-2)

= 8

What is the discriminant of the quadratic equation 0 = - x^2 + 4x - 2?-481224

What is the discriminant of the quadratic equation 0 = - x^2 + 4x - 2?

-4

8

12

24