document.write( "Question 186875: I need help please. How do you form a quadratic equation from this?\r
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document.write( "If x=-3 and x=4, then form a quadratic equation. \n" );
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Algebra.Com's Answer #140107 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! How do you form a quadratic equation from this? \n" ); document.write( "If x=-3 and x=4, then form a quadratic equation. \n" ); document.write( ": \n" ); document.write( "If you know how to factor a quadratic equation, then reverse the process: \n" ); document.write( "x = -3 and x = 4, gives us factors of \n" ); document.write( "(x+3)(x-4) = 0 \n" ); document.write( "FOIL \n" ); document.write( "x^2 - 4x + 3x - 12 = 0 \n" ); document.write( "so we have: \n" ); document.write( "y = x^2 - x - 12 \n" ); document.write( " \n" ); document.write( " |