The equation -x^2+4x-4=0 has no solutions a. true b. false

Alex Shestakov asked Jul 4, 2022

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26 votes

The equation -x^2+4x-4=0 has no solutions
a. true
b. false

Alex Shestakov asked Jul 4, 2022

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18 votes

Answer:

true

Explanation:

Let us calculate the determinant of this quadratic equation:

Δ = b^2 - 4ac = 16-4*(-1)*(-4) = 0

The equation has one solution

x = -b/2a = 2

Adrien Cadet answered Jul 9, 2022

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