document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=717334>Question 717334</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If the slope of a line through the origin is 2, and the the line through (b,-2) and (a,5) is parallel to that line, what is the value of a? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #440282 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39625)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=440282\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The line through the origin, having no other x or y intercept but slope of 2, is y=2x.\r<BR>\n" );
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document.write( "The slope of the line defined by points given is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%285-%28-2%29%29%2F%28a-b%29=2 ALIGN=MIDDLE  ALT=\"%285-%28-2%29%29%2F%28a-b%29=2\"   DISABLED_style= \"max-width:90%; height:auto;\" >, equated because that line is given as parallel to y=2x.  Solve for a, and find that <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28a=7%2F2%2Bb%29 ALIGN=MIDDLE  ALT=\"highlight%28a=7%2F2%2Bb%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >. </SPAN>\n" );
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