SOLUTION: Find the possible value or values of r in the quadratic equation r^2-7r-8

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Question 28716: Find the possible value or values of r in the quadratic equation r^2-7r-8
Answer by wuwei96815(245) About Me  (Show Source):
You can put this solution on YOUR website!
r^2 -7r -8 = 0
Factor.
(r-8)(r+1) = 0
Therefore:
r=8, r=-1