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OpenStudy (anonymous):
What number would you add to the polynomial below to complete the square? x^2+17 I got a decimal.
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OpenStudy (anonymous):
I got 8.5
OpenStudy (radar):
x^2 term already has a 1 so that is a good start. next take 1/2 of the coefficient of x which is missing, are you sure that it is just 17 or is it 17x ??
OpenStudy (anonymous):
It's 17x Sorry for my spelling.
OpenStudy (radar):
O.K. then the coefficient of x is 17, take 1/2 of 17 or 17/2, Now square that and you will get 289/4 That is the value that would be added. That would give you x^2 +17x + 289/4 or (x+17/2)^2
OpenStudy (radar):
Good luck with these, I gotta run.
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OpenStudy (anonymous):
Ok,Bye :(
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