document.write( "Question 1043804: solve by using your graphing calculator:\r
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document.write( "1. x^2-8x=-18
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document.write( "2.13x^2+24x-1=-14 \n" );
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Algebra.Com's Answer #658972 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! x^2-8x+18=0 \n" ); document.write( "It has no real roots. \n" ); document.write( "the discriminant (b^2-4ac)=(64-72)=-8 \n" ); document.write( "You input the function in Y= and push graph. \n" ); document.write( " \n" ); document.write( "13x^2+24x+13=0, adding 14 to both sides. \n" ); document.write( "This, too has no real roots. The discriminant is (576-676)=-100 \n" ); document.write( " |