document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=223844>Question 223844</A>: <I><SPAN STYLE=\"word-break: break-all;\"> so i have this test tomorrow and i do not understand how to determine what r equals.PLEASE HELP ME!<BR>\n" );
document.write( "so the question says determine the value of r so that the line passes through each pair of points has the given slope.<BR>\n" );
document.write( "(r,4)(7,1)with m=3/4.<BR>\n" );
document.write( "step by step how do i solve this?? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #167328 by </B><A HREF=/tutors/aboutme.mpl?userid=MathTherapy><B>MathTherapy(10552)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathTherapy><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=MathTherapy><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=167328\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> so i have this test tomorrow and i do not understand how to determine what r equals.PLEASE HELP ME!<BR>\n" );
document.write( "so the question says determine the value of r so that the line passes through each pair of points has the given slope.<BR>\n" );
document.write( "(r,4)(7,1)with m=3/4.<BR>\n" );
document.write( "step by step how do i solve this??\r<BR>\n" );
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document.write( "The slope of any equation is determined by the slope formula, or m, which = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28y%5B2%5D+-+y%5B1%5D%29%2F%28x%5B2%5D+-+x%5B1%5D%29 ALIGN=MIDDLE  ALT=\"%28y%5B2%5D+-+y%5B1%5D%29%2F%28x%5B2%5D+-+x%5B1%5D%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >, where in this case, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y%5B2%5D+=+1_y%5B1%5D+=+4_x%5B2%5D+=+7_and_x%5B1%5D+=+r ALIGN=MIDDLE  ALT=\"y%5B2%5D+=+1_y%5B1%5D+=+4_x%5B2%5D+=+7_and_x%5B1%5D+=+r\"   DISABLED_style= \"max-width:90%; height:auto;\" >. Since it's given that m, or the slope = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3%2F4 ALIGN=MIDDLE  ALT=\"3%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" >, then we'll have:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28y%5B2%5D+-+y%5B1%5D%29%2F%28x%5B2%5D+-+x%5B1%5D%29+=+3%2F4 ALIGN=MIDDLE  ALT=\"%28y%5B2%5D+-+y%5B1%5D%29%2F%28x%5B2%5D+-+x%5B1%5D%29+=+3%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%281+-+4%29%2F%287+-+r%29+=+3%2F4 ALIGN=MIDDLE  ALT=\"%281+-+4%29%2F%287+-+r%29+=+3%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "3(7 - r) = 4(- 3) ------ Cross-multiplying to get rid of denominators\r<BR>\n" );
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document.write( "21 - 3r = - 12\r<BR>\n" );
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document.write( "- 3r = - 33\r<BR>\n" );
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document.write( "r  =  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28-+33%29%2F-+3 ALIGN=MIDDLE  ALT=\"%28-+33%29%2F-+3\"   DISABLED_style= \"max-width:90%; height:auto;\" >, or, r = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%2811%29 ALIGN=MIDDLE  ALT=\"highlight_green%2811%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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