The function is defined for real values of x. By writing it in completed-square form, find its range.

f(x)=x^2-6x-+10

Thank you!!

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- Oct 2nd 2009, 07:47 AMOasis1993Help completing the square.
The function is defined for real values of x. By writing it in completed-square form, find its range.

f(x)=x^2-6x-+10

Thank you!! - Oct 2nd 2009, 07:52 AMDefunkt

can you follow? - Oct 2nd 2009, 08:00 AMpickslides
Hi there

To complete the square you should consider the following

You need to find a new constant term by taking the middle term, halving it then squaring it. This gives...

Now the square is complete.

The notation in your original post is ambigous. Defunkt's example may be what you're looking for.