document.write( "Question 600402: apply the quadratic formula to find the roots of the given function, and then graph the function.
\n" ); document.write( "0 = x2 - 9\r
\n" ); document.write( "\n" ); document.write( "How do I graph this with no y \r
\n" ); document.write( "\n" ); document.write( " 0 = x2 – 9
\n" ); document.write( "Move x to the right side of the equation
\n" ); document.write( "X^2-9=0
\n" ); document.write( "Add 9 to both sides
\n" ); document.write( "X^2=9
\n" ); document.write( "Take the square root of both sides to eliminate the exponent
\n" ); document.write( "X=+-(sqr)/9
\n" ); document.write( "3 is a perfect square
\n" ); document.write( "X=+-3
\n" ); document.write( "Substitute + for +-
\n" ); document.write( "X=3
\n" ); document.write( "Substitute - for +-
\n" ); document.write( "X=-3
\n" ); document.write( " \n" ); document.write( "
Algebra.Com's Answer #379310 by mananth(16946)\"\" \"About 
You can put this solution on YOUR website!
On either side of the Y axis at distance +3 and -3 units draw two parallel lines to the Y axis
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