jngu5240 jngu5240

19-04-2021
Mathematics

contestada

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

The equation x24x40 has no solutionsa trueb false class=

Respuesta :

bekkarmahdi702 bekkarmahdi702

19-04-2021

Answer:

true

Step-by-step 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

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