document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=746954>Question 746954</A>: <I><SPAN STYLE=\"word-break: break-all;\"> how do i know if a parabola opens right of left? </SPAN>\n" );
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document.write( "Opening right or left --> the y term is 2nd order, eg x = y^2<BR>\n" );
document.write( "If x & y have the same sign in that format it opens right since x increases as y increases.<BR>\n" );
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document.write( "If it's x = -y^2 it opens left since x decreases (more negative) as y increases.<BR>\n" );
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