document.write( "Question 211118:  Exactly, how many solutions does -0.2x²+12x+11 have? 
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document.write( "This question does not come from a textbook. It is from a word problem sheet given at Axia College. \n" );
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| Algebra.Com's Answer #159528 by checkley77(12844)      You can put this solution on YOUR website! -0.2x²+12x+11 \n" ); document.write( "Using the quadratic equation: \n" ); document.write( "x=(-12+-sqrt[12^2-4*-.2*11])/2*-.2 \n" ); document.write( "x=(-12+-sqrt[144+8.8])/-.4 \n" ); document.write( "x=(-12+-sqrt152.8)/-.4 \n" ); document.write( "x=(-12+-12.36)/-.4 \n" ); document.write( "x=(-12+12.36)/-.4 \n" ); document.write( "x=-.36/.4 \n" ); document.write( "x=-.9 ans. \n" ); document.write( "x=(-12-12.36)/-.4 \n" ); document.write( "x=(24.36)/-.4 \n" ); document.write( "x=60.9 ans. \n" ); document.write( " |