document.write( "Question 452926: parabola with foci at (4,6) and directrix at x=8 \n" ); document.write( "
Algebra.Com's Answer #311240 by robertb(5830)![]() ![]() You can put this solution on YOUR website! Under the given conditions, the vertex will be at the point (6,6). a = 6 - 4 = 2, and the standard equation would be |