document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1199205>Question 1199205</A>: <I><SPAN STYLE=\"word-break: break-all;\"> find the missing value of the line that passes through (R,2) and (5,3) and has a slope of 1/2<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #832972 by </B><A HREF=/tutors/aboutme.mpl?userid=math_tutor2020><B>math_tutor2020(3817)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=math_tutor2020><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=832972\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font color=black size=3><BR>\n" );
document.write( "A visual approach:\r<BR>\n" );
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document.write( "Plot the point (5,3) on the xy grid.\r<BR>\n" );
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document.write( "The slope 1/2 tells us to \"go up 1, then to the right 2 units\".<BR>\n" );
document.write( "This is because:<BR>\n" );
document.write( "slope = rise/run = 1/2<BR>\n" );
document.write( "rise = 1 = go up 1<BR>\n" );
document.write( "run = 2 = go to the right 2\r<BR>\n" );
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document.write( "If we started at (5,3) and did the \"up 1, right 2\" movement pattern, then we'll arrive at (7,4). See the graph below.\r<BR>\n" );
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document.write( "But we want the y coordinate to be 2 instead of 4. I'm referencing the point (R,2).\r<BR>\n" );
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document.write( "Let's reverse the \"up 1, right 2\" process.<BR>\n" );
document.write( "Instead we'll follow \"down 1, left 2\".\r<BR>\n" );
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document.write( "Again we start at the anchor (5,3).<BR>\n" );
document.write( "Move down 1, left 2 to arrive at (<font color=red>3</font>, 2) which shows that <font color=red>R = 3</font>\r<BR>\n" );
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document.write( "Graph:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing%28400%2C400%2C-4%2C10%2C-4%2C10%2C%0D%0Agraph%28400%2C400%2C-4%2C10%2C-4%2C10%2C-100%2C0.5x%2B0.5%29%2C%0D%0Acircle%283%2C2%2C0.08%29%2C%0D%0Acircle%283%2C2%2C0.1%29%2C%0D%0Acircle%283%2C2%2C0.12%29%2C%0D%0Alocate%283%2C2%2C%22%283%2C2%29%22%29%2C%0D%0A%0D%0Acircle%285%2C3%2C0.08%29%2C%0D%0Acircle%285%2C3%2C0.1%29%2C%0D%0Acircle%285%2C3%2C0.12%29%2C%0D%0Alocate%285%2C3%2C%22%285%2C3%29%22%29%2C%0D%0A%0D%0Acircle%287%2C4%2C0.08%29%2C%0D%0Acircle%287%2C4%2C0.1%29%2C%0D%0Acircle%287%2C4%2C0.12%29%2C%0D%0Alocate%287%2C4%2C%22%287%2C4%29%22%29%0D%0A%0D%0A%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "The green line represents the linear equation y = 0.5x+0.5<BR>\n" );
document.write( "1/2 = 0.5<BR>\n" );
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