andreasawyer1 andreasawyer1

23-02-2017
Mathematics

contestada

If x2 - 6x + 8 = 0, then x - 4 = 0 or x - 2 = 0.
true
false

Respuesta :

23-02-2017

x^2 - 6x+ 8 = 0
D = b^2 - 4ac = 36 - 32 = 4
x1 = (6 + 2)/2 = 8 /2 = 4
x2 = (6 - 2)/2 = 4/2 = 2

TRUE

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swebber19 swebber19

17-10-2018

the correct answer is

TRUE

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