document.write( "Question 973817: please help me learn how to solve this:\r
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Algebra.Com's Answer #595865 by Edwin McCravy(20056) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( "The standard form for a parabola with a y² term is\r\n" );
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document.write( " where (h,k) is the vertex \r\n" );
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document.write( "We can get \r\n" );
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document.write( "in standard form: \r\n" );
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document.write( "Write y as (y-0)\r\n" );
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document.write( "Factor out 2 on the right:\r\n" );
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document.write( "Multiply both sides by \r\n" );
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document.write( "Compare to\r\n" );
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document.write( "-k=-0,  a=1/2,  -h=+2\r\n" );
document.write( " k=0             h=-2\r\n" );
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document.write( "So the vertex is (h,k) = (-2,0), the point where the big dot is\r\n" );
document.write( "in the graph below:\r\n" );
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document.write( "Edwin

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