document.write( "Question 429642: Find the standard form of the parabola with the given characteristics.
\n" ); document.write( "directrix: x=4 Vertex: (7,-2)\r
\n" ); document.write( "\n" ); document.write( "I think the answer is (y+2)2=12(x-7)
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Algebra.Com's Answer #298409 by ewatrrr(24785)\"\" \"About 
You can put this solution on YOUR website!

\n" ); document.write( "Hi, You are exactly correct!
\n" ); document.write( "The standard form (opening rt or left) is \"%28y+-k%29%5E2+=+4p%28x+-h%29\", where the focus is (h,k + p)
\n" ); document.write( "Directrix x = 4 Vertex: (7,-2) then p = 3
\n" ); document.write( "\"%28y%2B2%29%5E2+=+12%28x+-7%29\"
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