document.write( "Question 41072: Find the vertex, focus and directix of the graph of the equation:
\n" );
document.write( "12(y+3)=(x-1)^2 \n" );
document.write( "
Algebra.Com's Answer #26487 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! 12(y+3)=(x-1)^2\r \n" ); document.write( "\n" ); document.write( "This follows the form 4p(y-k)=(x-h)^2 \n" ); document.write( "p=3,k=-3,h=1 \n" ); document.write( "Vertex is at (h,k) = (1,-3) \n" ); document.write( "The parabola opens up so the focus is 3 above the vertex. \n" ); document.write( "Focus is at (1,0) \n" ); document.write( "The directrix is the y-line 3 below the vertex. \n" ); document.write( "Directrix is y=-6 \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |