document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=75240>Question 75240</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Write equation of line passing through each given pairs of points. Write in slope intercept form:\r<BR>\n" );
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document.write( "(-1,3) and (4,-2)\r<BR>\n" );
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document.write( "(2,-3) and (2, 4) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #54010 by </B><A HREF=/tutors/aboutme.mpl?userid=tutorcecilia><B>tutorcecilia(2152)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=tutorcecilia><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/cgi-bin/show-face.mpl?user=tutorcecilia><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=54010\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find the slope of each pair:<BR>\n" );
document.write( "Slope=m=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28y1-y2%29%2F%28x1-x2%29%29 ALIGN=MIDDLE  ALT=\"%28y1-y2%29%2F%28x1-x2%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Plug-in the values:<BR>\n" );
document.write( "Slope=m=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28%283-%28-2%29%29%2F%28-1-4%29%29 ALIGN=MIDDLE  ALT=\"%28%283-%28-2%29%29%2F%28-1-4%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%285%2F-5%29 ALIGN=MIDDLE  ALT=\"%285%2F-5%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >=-1\r<BR>\n" );
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document.write( "Use the slope-intercept formula: y=mx+b and solve for the \"b\" value<BR>\n" );
document.write( "3=(-1)(-1)+b<BR>\n" );
document.write( "3=1+b<BR>\n" );
document.write( "2=b<BR>\n" );
document.write( "Plug-in the values for the slope and the y-intercept (b)<BR>\n" );
document.write( "y=-1x+2 [the slope-intercept equation of a line]<BR>\n" );
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document.write( "Check by plugging one set of points back into the equation:<BR>\n" );
document.write( "y=-x+2<BR>\n" );
document.write( "-2=(-1)(4)+2<BR>\n" );
document.write( "-2=-4+2<BR>\n" );
document.write( "-2=-2 [checks out] </SPAN>\n" );
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