document.write( "Question 1010991: Draw the graph of y=2x^2+x-2 and y=4-2x for the value of X ranges from -3 to +2.
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document.write( "Use a scale of 2 cm to 1 unit on x axis and 1cm to 1 unit on y axis
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document.write( "Use your graph to find
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document.write( "a) minimum value of y
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document.write( "b) the roots of the equation
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document.write( "c) the value of y for which 2x^2-x-2=0. \n" );
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Algebra.Com's Answer #627355 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "ymin=-2.125 \n" ); document.write( "roots=-0.7808, 1.2808 \n" ); document.write( "c is 0, that is the value of y for which the equation =0. \n" ); document.write( " |