Inactive Tutor answered • 11/26/12
Tutor
New to Wyzant
4x2-9x-4 = 0
a = 4, b = -9, c = -4
b2 - 4ac = (-9)2 - 4(4)(-4) = 145 <==Answer
Breen C.
asked • 11/26/12(2x)2 - 9x - 4 = o
What is the value of the discriminant for this equation?
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Inactive Tutor
is the problem supposed to read (2x)^2 or (2x)*2? because that changes the answer completely.
11/27/12