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 : ?
D = b^2 - 4ac = 36 - 4 (-2)(-1) = 36 - 8 = 28
Number of real solutions: 2 since D > 0
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