SOLUTION: Find the possible value or values of r in the quadratic equation r2-7r-8=0

SOLUTION: Find the possible value or values of r in the quadratic equation r2-7r-8=0

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Question 166317: Find the possible value or values of r in the quadratic equation r2-7r-8=0
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Find the possible value or values of r in the quadratic equation r2-7r-8=0
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Factor to get:
(r-8)(r+1) = 0
Since the product is zero, one of these factors must be zero:
So, r=8 or r=-1
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Cheers,
Stan H.
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