SOLUTION: how many real solutions are in -x^2+9x+7=0

SOLUTION: how many real solutions are in -x^2+9x+7=0

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Question 875633: how many real solutions are in -x^2+9x+7=0

Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Check the discriminant.
Disc < 0 no real
Disc = 0, 2 real, same number
Disc > 0, 2 different reals

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