document.write( "Question 982036: Find the standard form of the equation of the parabola with a vertex at the origin and a focus at (0, -7).
\n" ); document.write( "My answer:
\n" ); document.write( "Vertex: (0, 0); Focus: (1/40, 0) ; Directrix: x = -1/40 ; Focal width: 0.1
\n" ); document.write( "

Algebra.Com's Answer #602913 by josgarithmetic(39620)\"\" \"About 
You can put this solution on YOUR website!
Recheck the descriptive definition of a parabola which includes the reference to the Distance Formula. \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Standard Form Equation for a parabola would be a format \"y=a%28x-h%29%5E2%2Bk\". Derive the parabola equation first in a different form according to the use of the Distance Formula.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "This is how you could start:
\n" ); document.write( "\"sqrt%28%28x-0%29%5E2%2B%28y-%28-7%29%29%5E2%29=sqrt%28%28x-x%29%5E2%2B%28y-7%29%5E2%29\";
\n" ); document.write( "do the algebraic steps and make the adjustments.
\n" ); document.write( "
\n" );