SOLUTION: Consider a quadratic function y =-x^2 +6x+c Rewrite the function in the form y= -(x-h)^2 +k

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Question 1071462: Consider a quadratic function y =-x^2 +6x+c
Rewrite the function in the form y= -(x-h)^2 +k
Found 2 solutions by josgarithmetic, ikleyn:
Answer by josgarithmetic(39625)   (Show Source): You can put this solution on YOUR website!

because 9 completes the square.
Answer by ikleyn(52847)   (Show Source): You can put this solution on YOUR website!
.
This procedure is called "completing the square". 

   = 

=  = 

=  +  = 

=  +  = 

= .


Solved:  h = 3,  k = 9+c.


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