document.write( "Question 416655: What is the axis of symmetry of the parabola with the equation x – 4 = 1/4(y + 1)2 \n" ); document.write( "
Algebra.Com's Answer #292366 by Gogonati(855)![]() ![]() You can put this solution on YOUR website! We write this equation in the form; (y+1)^2=4(x-4) and conclude that; \n" ); document.write( "The vertex is (4,-1) and directrix (4c=4; c=1)is x=-1. \n" ); document.write( "The axis of symmetry is perpendicular to directrix with equation; y=-1.\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |