SOLUTION: use the discriminant to determine the number of real roots of each equation and then solve each equation using the quadratic formula. 2t^2 + 1 = 6t

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: use the discriminant to determine the number of real roots of each equation and then solve each equation using the quadratic formula. 2t^2 + 1 = 6t      Log On


   

Question 934057: use the discriminant to determine the number
of real roots of each equation and then solve each equation using
the quadratic formula.

2t^2 + 1 = 6t
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
2t%5E2+%2B+1+=+6t
2t%5E2+-6t%2B+1+=+0
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D=b%5E2-4ac
D=%28-6%29%5E2-4%282%29%281%29
D=36-8
D=28
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Two real roots.
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graph%28300%2C300%2C-10%2C10%2C-10%2C10%2C2x%5E2-6x%2B1%29