document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=665246>Question 665246</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the Value of r so the line that passes through each pair of points has the given slope.<BR>\n" );
document.write( "(-4,3), (r,5), M=1/4<BR>\n" );
document.write( "   This is the formula that I am supposed to use Y2-Y1/X2-X1<BR>\n" );
document.write( "This is what I have -2/-4-r, but I do not know where to go from here </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #413738 by </B><A HREF=/tutors/aboutme.mpl?userid=ReadingBoosters><B>ReadingBoosters(3246)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ReadingBoosters><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=413738\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Slope is as you state <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28Y2-Y1%29%2F%28X2-X1%29+=+%281%2F4%29 ALIGN=MIDDLE  ALT=\"%28Y2-Y1%29%2F%28X2-X1%29+=+%281%2F4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "So, using (-4,3) and (r,5)<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%285-3%29%2F%28r-%28-4%29%29+=+%281%2F4%29 ALIGN=MIDDLE  ALT=\"%285-3%29%2F%28r-%28-4%29%29+=+%281%2F4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Yielding<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2%2F%28r%2B4%29+=+%281%2F4%29 ALIGN=MIDDLE  ALT=\"2%2F%28r%2B4%29+=+%281%2F4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Multiply both sides by (r+4)<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%282%2Fcross%28r%2B4%29%29%2Across%28r%2B4%29+=+%281%2F4%29%2A%28r%2B4%29 ALIGN=MIDDLE  ALT=\"%282%2Fcross%28r%2B4%29%29%2Across%28r%2B4%29+=+%281%2F4%29%2A%28r%2B4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Yields<BR>\n" );
document.write( "2 = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28r%2B4%29%2F4 ALIGN=MIDDLE  ALT=\"%28r%2B4%29%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Multiply both sides by 4<BR>\n" );
document.write( "Yields<BR>\n" );
document.write( "8 = r+4<BR>\n" );
document.write( "Subtract 4 from both sides<BR>\n" );
document.write( "r = 4<BR>\n" );
document.write( "...<BR>\n" );
document.write( "check by plugging r into the coordinates<BR>\n" );
document.write( "(-4, 3) and (4, 5)<BR>\n" );
document.write( "slope = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%285-3%29%2F%284-%28-4%29%29+=+%282%2F8%29+=+%281%2F4%29 ALIGN=MIDDLE  ALT=\"%285-3%29%2F%284-%28-4%29%29+=+%282%2F8%29+=+%281%2F4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "....................<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );