document.write( "Question 288523: Show the work done to find the polynomial function equation?
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document.write( "Crosses the x-axis at -4,0, and 2. Lies above the x-axis between -4 and 0. Lies below the x-axis between 0 and 2.\r
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document.write( "All I know is that it has x-intcepts at -4, 0, and 2.\r
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document.write( "Please help me? \n" );
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Algebra.Com's Answer #209129 by scott8148(6628) You can put this solution on YOUR website! the crossing points are the roots of the equation\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "if r is a root, then (x - r) is a factor\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "(x + 4) (x - 0) (x - 2) = 0\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x^3 + 2x^2 - 8x = 0 \n" ); document.write( " |