document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1089997>Question 1089997</A>: <I><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "HI! Can you please assist me with this problem.  Thank you \r<BR>\n" );
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document.write( "A line has a slope of 8 and includes the points (10,9) and (a,1). What is the value of a?<BR>\n" );
document.write( "a= </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #704419 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=704419\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font color=\"black\" face=\"times\" size=\"3\"><BR>\n" );
document.write( "The points (10,9) and (a,1) can be thought of as (x1,y1) and (x2,y2) respectively.\r<BR>\n" );
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document.write( "So,<BR>\n" );
document.write( "(x1,y1) = (10,9)<BR>\n" );
document.write( "(x2,y2) = (a,1)<BR>\n" );
document.write( "which means<BR>\n" );
document.write( "x1 = 10, y1 = 9<BR>\n" );
document.write( "x2 = a, y2 = 1\r<BR>\n" );
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document.write( "The given slope is m = 8. Plug this m value and the x,y values discussed above, into the slope formula. Then solve for 'a'\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=m+=+%28y%5B2%5D-y%5B1%5D%29%2F%28x%5B2%5D-x%5B1%5D%29 ALIGN=MIDDLE  ALT=\"m+=+%28y%5B2%5D-y%5B1%5D%29%2F%28x%5B2%5D-x%5B1%5D%29\"   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=8+=+%281-9%29%2F%28a-10%29 ALIGN=MIDDLE  ALT=\"8+=+%281-9%29%2F%28a-10%29\"   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=8+=+-8%2F%28a-10%29 ALIGN=MIDDLE  ALT=\"8+=+-8%2F%28a-10%29\"   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=8%28a-10%29+=+%28-8%2F%28a-10%29%29%2A%28a-10%29 ALIGN=MIDDLE  ALT=\"8%28a-10%29+=+%28-8%2F%28a-10%29%29%2A%28a-10%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Multiply both sides by (a-10)\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=8%28a-10%29+=+-8 ALIGN=MIDDLE  ALT=\"8%28a-10%29+=+-8\"   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=8a-80+=+-8 ALIGN=MIDDLE  ALT=\"8a-80+=+-8\"   DISABLED_style= \"max-width:90%; height:auto;\" > Distribute\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=8a-80%2B80+=+-8%2B80 ALIGN=MIDDLE  ALT=\"8a-80%2B80+=+-8%2B80\"   DISABLED_style= \"max-width:90%; height:auto;\" > Add 80 to both sides\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=8a+=+72 ALIGN=MIDDLE  ALT=\"8a+=+72\"   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=8a%2F8+=+72%2F8 ALIGN=MIDDLE  ALT=\"8a%2F8+=+72%2F8\"   DISABLED_style= \"max-width:90%; height:auto;\" > Divide both sides by 8 to isolate 'a'\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a+=+9 ALIGN=MIDDLE  ALT=\"a+=+9\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Answer: <font color=red>a = 9</font><BR>\n" );
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