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Mathematics
Jair
12 June, 01:21
What is the discriminant for x^2-x+2=0
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Jayda Donaldson
12 June, 01:32
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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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