document.write( "Question 327973: Can someone help me with these two problem. I have to find b²-4ac and number of real solutions or graph the problem and I can figure them out. Thank you for your time.\r
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document.write( "9m²+16=24m\r
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document.write( "-3x²+7x=0 \n" );
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Algebra.Com's Answer #234856 by mananth(16946)![]() ![]() You can put this solution on YOUR website! 9m²+16=24m \n" ); document.write( "add -24m to both sides \n" ); document.write( "9m^2-24m+16=24m-24m \n" ); document.write( "9m^2-24m+16=0 \n" ); document.write( "x1= (-(-24)+sqrt((-24)^2-4*9*16))) /(2*9) \n" ); document.write( "x1= 1.333\r \n" ); document.write( "\n" ); document.write( "b^2-4ac =(-24)^2-4*9*16)=0 \n" ); document.write( "There is only 1 root\r \n" ); document.write( "\n" ); document.write( "-3x²+7x=0 \n" ); document.write( "-x(3x-7)=0 \n" ); document.write( "x=0 \n" ); document.write( "or \n" ); document.write( "3x-7=0 \n" ); document.write( "x=7/3 \n" ); document.write( " |