document.write( "Question 804691: can someone help me with this problem please?
\n" ); document.write( "Give the coordinates of the vertex for the graph of the equation.
\n" ); document.write( "y=2x^2+4x \n" ); document.write( "

Algebra.Com's Answer #484922 by erica65404(394) $\"\"$ $\"About$

You can put this solution on YOUR website!
to do so you need to complete the square
\n" ); document.write( " $\"y=2x%5E2%2B4x\"$
\n" ); document.write( " $\"y=2%28x%5E2%2B2x%29\"$
\n" ); document.write( " $\"y=2%28x%5E2%2B2x%2B1-1%29\"$
\n" ); document.write( " $\"y=2%28x%2B1%29%5E2-2\"$
\n" ); document.write( "the vertex is (-1,-2)
\n" ); document.write( " $\"graph%28+400%2C+400%2C+-10%2C+10%2C+-10%2C+10%2C+2x%5E2%2B4x%29\"$ \n" ); document.write( "

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