Question

What is the discriminant of the quadratic equation 0 = –x2 + 4x – 2? –4 8 12 24

Answer 1

Answer:

8

Step-by-step explanation:

0 = –x^2 + 4x – 2

This is of the form

ax^2 +bx +c

a = -1  b = 4  x = -2

The discriminant is

b^2 -4ac

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

16 - 8

8

Answer 2

Answer:

B. 8

Step-by-step explanation:

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