document.write( "Question 475756: What is the discriminant and how do you find it if you are given a quadratic equation? For instance, if you have -x² + 12 + 20 = 0, what would the discriminant be? How many solutions would this equation have?\r
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Algebra.Com's Answer #326246 by rfer(16322)![]() ![]() ![]() You can put this solution on YOUR website! a=-1, b=12, c=20 \n" ); document.write( "the discriminant is the part under the radical sign. \n" ); document.write( "(12^2)-4*-1*20=80+144=224 \n" ); document.write( "sqrt224=14.97 \n" ); document.write( "x=-1.5 \n" ); document.write( "x=13.5 \n" ); document.write( "two solutions \n" ); document.write( " |