document.write( "Question 311266: Write in vertex form. Sketch a graph of the function and label its vertex. \r
\n" ); document.write( "\n" ); document.write( "1. y = 3x^2 + 18x \n" ); document.write( "

Algebra.Com's Answer #222602 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
Complete the square.
\n" ); document.write( " $\"y=3x%5E2%2B18x\"$
\n" ); document.write( " $\"y=3%28x%5E2%2B6x%29\"$
\n" ); document.write( " $\"y=3%28x%5E2%2B6x%2B9%29-27\"$
\n" ); document.write( " $\"y=3%28x%2B3%29%5E2-27\"$
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\n" ); document.write( "\n" ); document.write( "Vertex:( $\"-3\"$ , $\"-27\"$ )
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