document.write( "Question 1157407: given the x-intercept for the grap of a quadratic function are 3 and -2, write a possible formula for the quadratic function, in factored form
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Algebra.Com's Answer #780266 by Theo(13342)![]() ![]() You can put this solution on YOUR website! the zeroes of the quadratic are at x = 3 and x = -2 \n" ); document.write( "subtract 3 from the first equation to get x - 3 = 0 \n" ); document.write( "add 2 to the second equation to get x + 2 = 0 \n" ); document.write( "those are your factors of the quadratic. \n" ); document.write( "you get (x-3) * (x+2) = 0 \n" ); document.write( "simplify to get x^2 + 2x - 3x - 6 = 0 \n" ); document.write( "combine like terms to get x^2 -x - 6 = 0 \n" ); document.write( "here's what the factors and the equation look like on a graph.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " ![]() \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "both equations draw the same graph because they are equivalent. \n" ); document.write( " |