document.write( "Question 128671This question is from textbook Algebra 2
\n" );
document.write( ": Could you please help me with this question? Find the focus an the directrix for the parabola -4x=y to the second power. Please help, Thank You.
\n" );
document.write( " \n" );
document.write( "
Algebra.Com's Answer #94137 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Could you please help me with this question? Find the focus an the directrix for the parabola -4x=y to the second power. \n" ); document.write( "------------ \n" ); document.write( "General Form: (y-k)^2 = 4p(x-h) \n" ); document.write( "Form (y-0)^2 = -4(x-0) \n" ); document.write( "Vertex is at (0,0) \n" ); document.write( "4p = -4 \n" ); document.write( "p = -1 \n" ); document.write( "Focus is at (-1,0) \n" ); document.write( "Directrix is at x = 1 \n" ); document.write( "===================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |