Question

find the discriminate of -4x^2-3x+5=0

Answer 1

How to find the discriminant.

See attachment.

Answer 2

i know but i got -71

Answer 3

Do you think its wrong?

Answer 4

89

Answer 5

yea because its not one of the aswers
a)90
b)91
c)\[\sqrt{80}\]
d89

Answer 6

how did u get that @FutureMathProfessor

Answer 7

-4x^2-3x+5=0
a = -4
b = -3
c = 5

Discriminant: b^2-4ac
b^2-4ac = (-3)^2-4*(-4)*5 = 9+80 = ?