SOLUTION: The square of a positive integer exceeds four times the integer by 32. Find the integer.
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Question 892446: The square of a positive integer exceeds four times the integer by 32. Find the integer.
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
The square of a positive integer exceeds four times the integer by 32.
n^2 - 4n = 32
n^2 - 4n - 32 = 0
Factors to
(n-8)(n+4) = 0
They want the positive integer
n = 8
:
:
See if that checks out
8^2 - 4(8) =
64 - 32 = 32
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