document.write( "Question 1111615: The vertex of this parabola is at (2, -4). When the y-value is -3, the x-value is -3. What is the coefficient of the squared term in the parabola's equation? \n" ); document.write( "

Algebra.Com's Answer #726605 by josgarithmetic(39618) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"y=a%28x-2%29%5E2-4\"$ \r
\n" ); document.write( "\n" ); document.write( "-\r
\n" ); document.write( "\n" ); document.write( " $\"y%2B4=a%28x-2%29%5E2\"$
\n" ); document.write( " $\"%28y%2B4%29%2F%28x-2%29%5E2=a\"$
\n" ); document.write( " $\"a=%28-3%2B4%29%2F%28-3-2%29%5E2\"$
\n" ); document.write( " $\"a=1%2F%28-5%29%5E2\"$
\n" ); document.write( " $\"a=1%2F25\"$ \r
\n" ); document.write( "\n" ); document.write( "-\r
\n" ); document.write( "\n" ); document.write( " $\"highlight_green%28y=%28highlight%281%2F25%29%29%28x-2%29%5E2-4%29\"$ \n" ); document.write( "

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