document.write( "Question 570256: What is the discriminate for a Quadratic Equation and how is it used. \n" ); document.write( "
Algebra.Com's Answer #368926 by anomis(18)\"\" \"About 
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\n" ); document.write( "The discriminant is a number that can be calculated from any quadratic equation.
\n" ); document.write( "A quadratic equation is an equation that can be written as:\r
\n" ); document.write( "\n" ); document.write( "ax^2 + bx + c where a ≠ 0\r
\n" ); document.write( "\n" ); document.write( "The discriminant = b^2 − 4ac\r
\n" ); document.write( "\n" ); document.write( "Ex:
\n" ); document.write( "Quadratic equation: y = 2x^2 + 4x + 1
\n" ); document.write( "The discriminant: 4^2 − 4 * 2 * 1
\n" ); document.write( "The discriminant is used to find out the nature and number of solutions.
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