document.write( "Question 123885: directions: find the roots of the quadratic equation y=x^2+7x-18 by factoring. choose the correct answer. A)7,9 B)9,2 C)-7,-9 D)-9,2. which one is the answer? \n" ); document.write( "
Algebra.Com's Answer #90884 by chitra(359)![]() ![]() You can put this solution on YOUR website! The given quadratic equation can be written as: \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "y = \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Y = \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "y = x(x + 9) - 2(x + 9)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "y = (x - 2)(x + 9)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Thus the soln set is (-9,2) \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "regs\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |