document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=192690>Question 192690</A>: <I><SPAN STYLE=\"word-break: break-all;\"> please help me answer<BR>\n" );
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document.write( "Write the equation of the line that passes through (3,-5) and (5,7)<BR>\n" );
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document.write( "thanks </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #144623 by </B><A HREF=/tutors/aboutme.mpl?userid=Earlsdon><B>Earlsdon(6294)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Earlsdon><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=144623\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Write the equation of the line that passes through the points (3, -5) and (5, 7)<BR>\n" );
document.write( "You could use the \"slope-intercept\" form of the equation: y = mx+b where m = slope and b = y-intercept.<BR>\n" );
document.write( "To find the slope:<BR>\n" );
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;\" > Using the x- and y-coordinates of the given points, make the appropriate substitutions:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=m+=+%287-%28-5%29%29%2F%285-3%29 ALIGN=MIDDLE  ALT=\"m+=+%287-%28-5%29%29%2F%285-3%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Simplify.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=m+=+12%2F2 ALIGN=MIDDLE  ALT=\"m+=+12%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=m+=+6 ALIGN=MIDDLE  ALT=\"m+=+6\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "So now you have:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y+=+6x%2Bb ALIGN=MIDDLE  ALT=\"y+=+6x%2Bb\"   DISABLED_style= \"max-width:90%; height:auto;\" > and you need to find b, the y-intercept. Use the x- and y-coordinates of either one of the two given points and substitute:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=7+=+6%285%29%2Bb ALIGN=MIDDLE  ALT=\"7+=+6%285%29%2Bb\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=7+=+30%2Bb ALIGN=MIDDLE  ALT=\"7+=+30%2Bb\"   DISABLED_style= \"max-width:90%; height:auto;\" > Subtract 30 from both sides.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-23+=+b ALIGN=MIDDLE  ALT=\"-23+=+b\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Now you can write the final equation in slope-intercept form:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%28y+=+6x-23%29 ALIGN=MIDDLE  ALT=\"highlight_green%28y+=+6x-23%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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