document.write( "Question 1164213: Find an equation of the parabola with vertex at the origin and latus rectum having endpoints at (3,
\n" ); document.write( "6) and (3, -6). \n" ); document.write( "
Algebra.Com's Answer #788574 by Edwin McCravy(20067)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "(y-k)² = 4p(x - h)\r\n" );
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document.write( "Since the vertex = (h, k) = (0, 0),\r\n" );
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document.write( "(y-0)² = 4p(x - 0)\r\n" );
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document.write( "    y² = 4px\r\n" );
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document.write( "Since the latus rectum = 4p, the desired equation is\r\n" );
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document.write( "    y² = 12x\r\n" );
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document.write( "The blue line is the latus rectum.  Notice that it goes from (3,6) to (3,-6)\r\n" );
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document.write( "Edwin
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