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

asked Oct 8, 2017 190k views

1 vote

What is the discriminant of the given equation ?

X^2-2x+2+0
a)-12
b)8
c)-4
d)-8

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4 votes

∆= 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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