How do you compute the discriminant of $4x^2-16x=-16$ ?

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Answer 1 · 2017-01-11T06:19:15

D = 0

Bring the equation to standard form:
$4x^2 - 16x + 16 = 0$
Find the discriminant:
$D = b^2 - 4ac = 16^2 - 4(4)(16) = 256 - 256 = 0$

How do you compute the discriminant of 4x^2-16x=-164x^2-16x=-16?