ainnaCharozo ainnaCharozo

05-05-2016
Mathematics

contestada

what is the discriminant of the given equation ?
X^2-2x+2+0
a)-12
b)8
c)-4
d)-8

Respuesta :

mairusso10 mairusso10

05-05-2016

∆= b^2 - 4ac

where b= -2
a=1
c=2

therefore: 2^2 - 4 x 1 x 2
= 4 - 4 x 2
= 4 - 8
= -4

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