document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=79886>Question 79886</A>: <I><SPAN STYLE=\"word-break: break-all;\"> write the equation in slop=intercept form of the line that passes through the points\r<BR>\n" );
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document.write( "13. (5,-6) (1,-7)        14. (6,-3)   (-1,9) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #57294 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley75><B>checkley75(3666)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley75><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=57294\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 13) SLOPE=(Y2-Y1)/(X2-X1), (-7+6)/(1-5), -1/-4, 1/4 IS THE SLOPE.<BR>\n" );
document.write( "NOW SUBSTITUTE 1 SET OF (X,Y) POINTS WITH THE SLOPE(m) & SOLVE FOR THR Y INTERCEPT (b) IN THE LINE SEQUATION Y=mX+b.<BR>\n" );
document.write( "-6=1/4*5+b<BR>\n" );
document.write( "-6=5/4+B<BR>\n" );
document.write( "b=-6-5/4<BR>\n" );
document.write( "b=-27/4<BR>\n" );
document.write( "THUS THE EQUATION FOR A LINE THROUGH THESE POINTS IS:<BR>\n" );
document.write( "Y=X/4-27/4 [THIS IS THE RED LINE ON THE GRAPH]<BR>\n" );
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document.write( "SLOPE=(-3-9)/(6+1)<BR>\n" );
document.write( "-12/7 IS THE SLOPE<BR>\n" );
document.write( "-3=-12/7*6+b<BR>\n" );
document.write( "-3=-72/7+b<BR>\n" );
document.write( "b=-3+72/7<BR>\n" );
document.write( "b=(-21+72)/7<BR>\n" );
document.write( "b=51/7<BR>\n" );
document.write( "SO THE EQUATION FOR THIS LINE IS<BR>\n" );
document.write( "Y=-12X/7+51/7 [THIS IS THE GREEN LINE ON THE GRAPH]<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+graph%28+300%2C+200%2C+-6%2C+30%2C+-10%2C+10%2C+y+=+x%2F4+-27%2F4%2C+y+=+-12x%2F7+%2B51%2F7%29+ ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" > (graph 300x200 pixels, x from -6 to 30, y from -10 to 10, of TWO functions y = x/4 -27/4 and y = -12x/7 +51/7 ).  </SPAN>\n" );
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