document.write( "Question 667680: 4x^2=324 what is the discriminant value of this equation and how many and what types of roots are there and what are the solutions for this quadratic \n" ); document.write( "

Algebra.Com's Answer #415138 by mananth(16946) $\"\"$ $\"About$

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$\"4x%5E2=324+\"$ \r
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\n" ); document.write( "\n" ); document.write( "Write the equation in standard form\r
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\n" ); document.write( "\n" ); document.write( "D= 16*324
\n" ); document.write( "d=5184\r
\n" ); document.write( "\n" ); document.write( "d>0 so the roots are real \r
\n" ); document.write( "\n" ); document.write( " $\"x1=+%28-b%2Bsqrt%28b%5E2-4ac%29%29%2F2a\"$ \r
\n" ); document.write( "\n" ); document.write( "= (0+72)/8
\n" ); document.write( "=9
\n" ); document.write( " $\"x2=+%28-b-sqrt%28b%5E2-4ac%29%29%2F2a\"$ \r
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\n" ); document.write( "\n" ); document.write( "x2= (0-72)/8
\n" ); document.write( "-9\r
\n" ); document.write( "\n" ); document.write( "+9 & -9 are the roots of the equation
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