document.write( "Question 1194461: Write an equation for the parabola with a vertex at the​ origin, passing through ((square root)3,12)​, and opening up.
\n" ); document.write( "An equation for this parabola is______.
\n" ); document.write( "(Simplify your answer. Use integers or fractions for any numbers in the​ expression.)
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Algebra.Com's Answer #826668 by MathLover1(20849)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "The vertex form of the parabola \"y+=+a%28x+-+h%29%5E2+%2B+k\" where\"+h+\"and\"+k\" are coordinates of a vertex\r
\n" ); document.write( "\n" ); document.write( "if a vertex at the​ origin, means \"h=0\" and \"k=0\"\r
\n" ); document.write( "\n" ); document.write( "\"y+=+a%28x+-+0%29%5E2+%2B+0\"\r
\n" ); document.write( "\n" ); document.write( "\"y+=+ax%5E2+\"\r
\n" ); document.write( "\n" ); document.write( "if passing through (\"sqrt%283%29\",\"12\")​=>\"x=sqrt%283%29+\"and \"y=12\"\r
\n" ); document.write( "\n" ); document.write( "use it to calculate \"a\"\r
\n" ); document.write( "\n" ); document.write( "\"12=+a%28sqrt%283%29%29%5E2+\"\r
\n" ); document.write( "\n" ); document.write( "\"12=+a%283%29\"\r
\n" ); document.write( "\n" ); document.write( "\"a=12%2F3\"\r
\n" ); document.write( "\n" ); document.write( "\"a=4\"\r
\n" ); document.write( "\n" ); document.write( "so, your equation is \"y+=+4x%5E2+\"\r
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