document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1055342>Question 1055342</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find value of r \r<BR>\n" );
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document.write( "(-4,3),(r,5) m=1/4 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #670568 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=670568\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (-4,3),(r,5) m=1/4<BR>\n" );
document.write( "change in y=2<BR>\n" );
document.write( "change in x=r+4<BR>\n" );
document.write( "that ratio is 1/4<BR>\n" );
document.write( "so<BR>\n" );
document.write( "2/(r+4)=1/4<BR>\n" );
document.write( "cross-multiply<BR>\n" );
document.write( "r+4=8<BR>\n" );
document.write( "r=4<BR>\n" );
document.write( "the points are (-4,3) and (4,5).  The slope is 2/8=1/4 </SPAN>\n" );
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