document.write( "Question 1187362: Find the equation of a parabola with axis parallel to Ox and passing through (5, 4),(11, 2), and (21, -4). \n" ); document.write( "
Algebra.Com's Answer #818361 by Edwin McCravy(20055)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "So solve the 3x3 system of equations for A, B, and C and substitute in\r\n" );
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document.write( "\"matrix%281%2C7%2Cy%2C%22%22=%22%22%2CAx%5E2%2C%22%22%2B%22%22%2CBx%2C%22%22%2B%22%22%2CC%29\"\r\n" );
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document.write( "Edwin
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