document.write( "Question 981193: The vertex of a parabola is (-1.5, -12.5), and its y-intercept is (0, -8). \n" ); document.write( "
Algebra.Com's Answer #602217 by josgarithmetic(39620)\"\" \"About 
You can put this solution on YOUR website!
\"y=a%28x%2B1.5%29%5E2-12.5\", just using standard form and the given vertex.\r
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\n" ); document.write( "\n" ); document.write( "Solve the equation for a.
\n" ); document.write( "\"a%28x%2B1.5%29%5E2=y%2B12.5\"
\n" ); document.write( "\"a=%28y%2B12.5%29%2F%28x%2B1.5%29%5E2\"\r
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\n" ); document.write( "\n" ); document.write( "Use the given y-intercept coordinates in the formula for a.
\n" ); document.write( "\"a=%28-8%2B12.5%29%2F%280%2B1.5%29%5E2\"
\n" ); document.write( "\"a=%284.5%29%2F%281.5%5E2%29\"
\n" ); document.write( "\"a=2\"\r
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\n" ); document.write( "\n" ); document.write( "\"highlight%28y=2%28x%2B1.5%29%5E2-12.5%29\"
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