SOLUTION: For what real values of c is 9x^2 + 16x + c the square of a binomial? If you find more than one, then list your values in increasing order, separated by commas.

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Question 1085962: For what real values of c is 9x^2 + 16x + c the square of a binomial? If you find more than one, then list your values in increasing order, separated by commas.
Found 2 solutions by josgarithmetic, ikleyn:
Answer by josgarithmetic(39617)   (Show Source): You can put this solution on YOUR website!
Discriminant must be 0.












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---MISTAKE---
----mistake
Answer by ikleyn(52781)   (Show Source): You can put this solution on YOUR website!
.
 =  =  +  -   ===>

 =   ====>  c = .


Check.   =  =  = .

The solution by "josgarithmetic" is WRONG.


For your safety, ignore it.



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