Question

ASAP (I can’t download files I just need the answer)

I need this as soon as possible!! Help pls!!


State the value of the discriminant of:
-2x² + x -4 = 0
-31
-24
66
76

Answer 1

-31

Explanation:

Formula for finding the discriminant:

b² - 4ac

Let's identify our values.

a = -2

b = 1

c = -4

Time to plug in our values.

1² - 4(-2)(-4)

1 - 32

-31