document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1185909>Question 1185909</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Explain why 3x^2+kx-1 is never <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cross%28positive%29 ALIGN=MIDDLE  ALT=\"cross%28positive%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cross%28definite%29 ALIGN=MIDDLE  ALT=\"cross%28definite%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > <U>POSITIVELY DEFINED</U> for any value of k.<BR>\n" );
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