Quadratic Equations

Algebra
Tutor: None Selected Time limit: 1 Day

Compute the value of the discriminant and give the number of real solutions of the quadratic equation.

-2x^2+6x-1=0     Discriminant :  ?    Number of real solutions : ?

Apr 8th, 2015

D = b^2 - 4ac = 36 - 4 (-2)(-1) = 36 - 8 = 28

Number of real solutions: 2 since D > 0


Apr 8th, 2015

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Apr 8th, 2015
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Apr 8th, 2015
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