document.write( "Question 910749: I need to know the vertex, axis of symmetry, roots, domain and the range of the following problem
\n" ); document.write( "Y=-x^2+9
\n" ); document.write( "I also need to know if it opens up or down and a graph would be greatly appreciated. \n" ); document.write( "

Algebra.Com's Answer #552641 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
It's already in vertex form although it's disguised.
\n" ); document.write( " $\"y=-%28x-0%29%5E2%2B9\"$
\n" ); document.write( "The vertex is ( $\"0\"$ , $\"9\"$ ).
\n" ); document.write( "The axis of symmetry is $\"x=0\"$ .
\n" ); document.write( "It opens downwards since the coefficient of the quadratic term is negative.
\n" ); document.write( "The domain is all real numbers.
\n" ); document.write( "The maximum value occurs at the vertex so the range is ( $\"-infinity\"$ , $\"9\"$ ).
\n" ); document.write( " $\"graph%28300%2C300%2C-10%2C10%2C-10%2C10%2C-x%5E2%2B9%29\"$
\n" ); document.write( " \n" ); document.write( "

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