document.write( "Question 819035: find the quadratic function y=a(x-h)^2 whose graph passes through these points: (9,-12) and (3,0) \n" ); document.write( "

Algebra.Com's Answer #834276 by ikleyn(52781) $\"\"$ $\"About$

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\n" ); document.write( "find the quadratic function y = a(x-h)^2 whose graph passes
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\n" ); document.write( "\n" ); document.write( " The response by the other tutor is incorrect,\r
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document.write( "First use the info, which goes with the point (3,0).\r\n" );
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document.write( "It gives you this equation  0 = a*(3-h)^2,\r\n" );
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document.write( "from which you conclude that h = 3.\r\n" );
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document.write( "Now use the info, which goes with the point (9,-12).\r\n" );
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document.write( "It gives you this equation  -12 = a*(9-3)^2,  or  -12 = ,  \r\n" );
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document.write( "so  a = - = - = -.\r\n" );
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document.write( "Thus the quadratic function is  y = .    ANSWER\r\n" );
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\n" ); document.write( "\n" ); document.write( "Solved (correctly).\r
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