document.write( "Question 254973: y^2=x\r
\n" ); document.write( "\n" ); document.write( "Which I figure to be y=sqrt(x)...\r
\n" ); document.write( "\n" ); document.write( "When I graph it on my TI-89, it does not create a continuous line but stops 0. My answer key shows it continuing through the negative spectrum of y. Is the answer key wrong, or am I wrong in making the equations y=sqrt(x).\r
\n" ); document.write( "\n" ); document.write( "Sorry for the pathetically dumb questions. I haven't done algebra in over a decade, and the book I bought is very sparse on explanation. It's more of a workbook than anything.
\n" ); document.write( "

Algebra.Com's Answer #187252 by drk(1908)\"\" \"About 
You can put this solution on YOUR website!
The answer key is incorrect since we cannot take negative sqrt over the real axes.
\n" ); document.write( "\"+graph%28+300%2C+200%2C+-5%2C+5%2C+-5%2C+5%2C+sqrt%28x%29%29+\"
\n" ); document.write( "
\n" );