calculate the discriminat

Algebra
Tutor: None Selected Time limit: 1 Day

x^2-x+2=0

Mar 10th, 2015

When written in the form...

ax^2 + bx + c = 0

the discriminant is...

b^2 - 4ac

We have a = 1,  b = -1, c = 2

So the discriminant is...

(-1)^2 - 4(1)(2) = 1 - 8

= -7

Mar 10th, 2015

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