document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=264647>Question 264647</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I don't understand this concept. Please help.\r<BR>\n" );
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document.write( "Write the equation of the line that passes through each pair of points in slope-intercept form. \r<BR>\n" );
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document.write( "1. (5, -1) and (-7, -4)<BR>\n" );
document.write( "2. (5,1) and (-1, -5)<BR>\n" );
document.write( "3. (4,9) and (-5,3) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #194813 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=194813\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Y=mX+b where m=slope & b=the Y intercept.<BR>\n" );
document.write( "Slope=(Y2-Y1)/(X2-X1)<BR>\n" );
document.write( "1. (5, -1) and (-7, -4)<BR>\n" );
document.write( "Slope=(-4+1)/(-7-5)<BR>\n" );
document.write( "Slope=-3/-12<BR>\n" );
document.write( "Slope=1/4<BR>\n" );
document.write( "-1=1/4*5+b<BR>\n" );
document.write( "-1=5/4+b<BR>\n" );
document.write( "b=-1-5/4<BR>\n" );
document.write( "b=-4/4-5/4<BR>\n" );
document.write( "b=-9/4 The Y intercept.<BR>\n" );
document.write( "Y=x/4-9/4 ans.<BR>\n" );
document.write( "2. (5,1) and (-1, -5)<BR>\n" );
document.write( "Slope=(-5-1)/(-1-5)<BR>\n" );
document.write( "Slope=-6/-6<BR>\n" );
document.write( "Slope=1<BR>\n" );
document.write( "1=1*5+b<BR>\n" );
document.write( "1=5+b<BR>\n" );
document.write( "b=1-5<BR>\n" );
document.write( "b=-4 The Y intercept.<BR>\n" );
document.write( "Y=X-4 ans.<BR>\n" );
document.write( "3. (4,9) and (-5,3)<BR>\n" );
document.write( "Slope=(3-9)/(-5-4)<BR>\n" );
document.write( "Slope=-6/-9<BR>\n" );
document.write( "Slope=2/3<BR>\n" );
document.write( "9=2/3*4+b<BR>\n" );
document.write( "9=8/3+b<BR>\n" );
document.write( "b=9-8/3<BR>\n" );
document.write( "b=27/3-8/3<BR>\n" );
document.write( "b=19/3<BR>\n" );
document.write( "Y=2x/3+19/3 ans. </SPAN>\n" );
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