Question

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

Answer 1

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