document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=118941>Question 118941</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What is the value of k if one root root of (3k+1)x^2=-5 is 1? Please help me :) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #87070 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=87070\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> What is the value of k if one root root of (3k+1)x^2=-5 is 1? Please help me :)<BR>\n" );
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document.write( "Rearrange:<BR>\n" );
document.write( "f(x) = (3k+1)x^2+5<BR>\n" );
document.write( "If 1 is a root, f(1) = zero<BR>\n" );
document.write( "But f(1) = (3k+1)*1^2+5 = 0<BR>\n" );
document.write( "3k+1+5 = 0<BR>\n" );
document.write( "3k = -6<BR>\n" );
document.write( "k = -2<BR>\n" );
document.write( "==============<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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