Seudónimo
Seudónimo
13-05-2017
Mathematics
contestada
What is the discriminant for x^2-x+2=0
Respuesta :
egoodrich1337
egoodrich1337
13-05-2017
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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