document.write( "Question 975422: how do I graph in vertex form?
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Algebra.Com's Answer #597177 by Edwin McCravy(20060)\"\" \"About 
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y = -(x-2)²+7
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document.write( "You memorize the general vertex form\r\n" );
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document.write( "y = a(x-h)²+k\r\n" );
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document.write( "You compare your equation to that:\r\n" );
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document.write( "a=-1, h=2, k=7\r\n" );
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document.write( "The vertex is the point (h,k) = (2,7)\r\n" );
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document.write( "You plot that point:\r\n" );
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document.write( "Now from that vertex, go right and left 1 unit and then \"a\" units.\r\n" );
document.write( "When a is positive you go up, and when it's negative you go down.\r\n" );
document.write( "So we go right and left 1 unit from the vertex and down 1 unit from\r\n" );
document.write( "each because \"a\" is -1.\r\n" );
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document.write( "Then we sketch in the graph:\r\n" );
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document.write( "Edwin
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