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30 July, 09:14

What is the discriminant for x^2-x+2=0

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  1. 30 July, 09:20
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    First you need to plug in to the formula b^2 - 4ac (part of the quadratic formula).

    In this trinomial, a = 1, b = - 1, and c = 2.

    (-1) ^2 - 4 (1) (2)

    1 - 8

    The discriminant of this polynomial is - 7. This tells us that it will have complex roots.
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