document.write( "Question 301421: Find the vertex y=x^2+8x \n" ); document.write( "
Algebra.Com's Answer #216108 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
Complete the square to put it into vertex form.
\n" ); document.write( "\"f%28x%29=x%5E2%2B8x%2B16-16\"
\n" ); document.write( "\"f%28x%29=%28x%2B4%29%5E2-16\"
\n" ); document.write( "X coordinate of the vertex: \"x=-4\"
\n" ); document.write( "Y coordinate of the vertex: \"y=-16\"
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