document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=92657>Question 92657</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In the xy-plane, line l passes through the origin and is perpendicular to the line 4x+y=k, where k is a constant. If the two lines intersect at the point (t,t+1), what is the value of t? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #67499 by </B><A HREF=/tutors/aboutme.mpl?userid=scott8148><B>scott8148(6628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=scott8148><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/cgi-bin/show-face.mpl?user=scott8148><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=67499\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> perpendicular lines have slopes that are negative reciprocals, so the slope of line 1 is -1/(-4) or 1/4\r<BR>\n" );
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document.write( "it passes through the origin so the equation is y=x/4 ... substituting gives t+1=t/4 ... 4t+4=t ... 3t=-4 ... t=-4/3 </SPAN>\n" );
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