document.write( "Question 852125: Director x=1 , vertex 2,-1 What's the equation? \n" ); document.write( "
Algebra.Com's Answer #513185 by ewatrrr(24785)\"\" \"About 
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\n" ); document.write( "Hi,
\n" ); document.write( "sketch IT (Directrix x = 1 the clue) Parabola opening right
\n" ); document.write( "the vertex form of a Parabola opening right(a>0) or left(a<0), \"x=a%28y-k%29%5E2+%2Bh\"
\n" ); document.write( " where(h,k) is the vertex and y = k is the Line of Symmetry
\n" ); document.write( "\"x=a%28y%2B1%29%5E2+%2B+2\" V(2,-1) Finding value of a
\n" ); document.write( "p(distance of the directrix and focus left 0r right of vertex) = 1, a = 1/4p = 1/4
\n" ); document.write( "\"x=%281%2F4%29%28y%2B1%29%5E2+%2B+2\"
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