document.write( "Question 1137107: Determine the equation in standard form for this quadratic function: x intercepts at (-2 +/- √5), containing the point (-4,5) \n" ); document.write( "

Algebra.Com's Answer #754934 by josgarithmetic(39618) $\"\"$ $\"About$

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$\"a%28x-%28-2-sqrt%285%29%29%29%28x-%28-2%2Bsqrt%285%29%29%29=0\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"a%28x%2B2%2Bsqrt%285%29%29%28x%2B2-sqrt%285%29%29=0\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"a%28%28x%2B2%29%5E2-5%29=0\"$ \r
\n" ); document.write( "\n" ); document.write( "-\r
\n" ); document.write( "\n" ); document.write( " $\"y=a%28x%2B2%29%5E2-5a\"$ , contains point (-4,5).\r
\n" ); document.write( "\n" ); document.write( " $\"5=a%28-4%2B2%29%5E2-5a\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"5=4a-5a=-a\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"a=-5\"$ \r
\n" ); document.write( "\n" ); document.write( "-\r
\n" ); document.write( "\n" ); document.write( " $\"highlight%28y=-5%28x%2B2%29%5E2%2B25%29\"$ \n" ); document.write( "

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