document.write( "Question 1163801: How does the graph of y=x^2 differ from the graph of y=-x^2? How are they similar? \n" ); document.write( "
Algebra.Com's Answer #788003 by Edwin McCravy(20055)\"\" \"About 
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document.write( "The red curve is the graph of y=x² and the green one is the graph of y=-x².\r\n" );
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document.write( "They differ because y=x² is a parabola opening upward, and y=-x² is a\r\n" );
document.write( "parabola opening downward.  Each is the exact reflection of the other in the\r\n" );
document.write( "x-axis.  They have the same shape.\r\n" );
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document.write( "They demonstrate the fact that when you multiply the right side of the\r\n" );
document.write( "equation for a graph by -1, when it is solved for y, you get a curve that\r\n" );
document.write( "is the exact reflection of the original in the x-axis.\r\n" );
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document.write( "Edwin
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