document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=6913>Question 6913</A>: <I><SPAN STYLE=\"word-break: break-all;\"> write an equation for the line containing the indicated points<BR>\n" );
document.write( "(-1/2,7) and(-4,1/2)<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 #3791 by </B><A HREF=/tutors/aboutme.mpl?userid=glabow><B>glabow(165)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=glabow><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=3791\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The slope-intercept form of the equation of a line is<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y+=+ax+%2B+b ALIGN=MIDDLE  ALT=\"y+=+ax+%2B+b\"   DISABLED_style= \"max-width:90%; height:auto;\" > where a is the slope and b is the y-intercept.<BR>\n" );
document.write( "You have two points on the line (-1/2, 7) and (-4, 1/2).<BR>\n" );
document.write( "The slope is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28y2+-+y1%29%2F%28x2-x1%29 ALIGN=MIDDLE  ALT=\"+%28y2+-+y1%29%2F%28x2-x1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > so<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a+=+%281%2F2+-+7%29+%2F+%28-4+-+%28-1%2F2%29%29+=+%28-6.5%29+%2F%28-3.5%29+=+%2813%2F2%29%2F%287%2F2%29=+13%2F7 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "From the slope-intercept form we can get<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b=y-ax ALIGN=MIDDLE  ALT=\"b=y-ax\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Put either point's x and y in this equation, solving for b.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b=7-%2813%2F7%29%28-1%2F2%29+=+7+%2B+13%2F14 ALIGN=MIDDLE  ALT=\"b=7-%2813%2F7%29%28-1%2F2%29+=+7+%2B+13%2F14\"   DISABLED_style= \"max-width:90%; height:auto;\" > or<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b=%281%2F2%29-%2813%2F7%29%28-4%29=+%281%2F2%29%2B%2852%2F7%29=%287%2F14%29%2B%28104%2F14%29=111%2F14=7%2B13%2F14 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "So a = 13/7 and b = 7 13/14.<BR>\n" );
document.write( "The equation of the line is <BR>\n" );
document.write( "y = 13/7 x + 7  13/14<BR>\n" );
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