Graudimyanne Graudimyanne

21-11-2016
Mathematics

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Find the discriminant of the following equation.
4x2 + 16x + 16 = 0 ...?

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rybag99 rybag99

21-11-2016

Discriminant = b^2 - 4ac

a = 4

b = 16

c = 16

16^2 - 4(4 x 16)

256 - (4x64)

256 - 256 = 0

Therefore it only has one root

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