document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=202245>Question 202245</A>: <I><SPAN STYLE=\"word-break: break-all;\"> (3,1)<BR>\n" );
document.write( "(-4,15) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #152499 by </B><A HREF=/tutors/aboutme.mpl?userid=RAY100><B>RAY100(1637)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=RAY100><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=152499\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Remember,  m= (y2-y1)/x2-x1),,,,and  ,,,y=mx+b<BR>\n" );
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document.write( "(3,1),,,(-4,15)<BR>\n" );
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document.write( "m= (15-1) / (-4-3) = 14/-7 = -2<BR>\n" );
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document.write( "y=mx+b = -2x +b<BR>\n" );
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document.write( "subst (3,1)<BR>\n" );
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document.write( "1=-2(3) +b<BR>\n" );
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document.write( "7=b<BR>\n" );
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document.write( "y=-2x +7<BR>\n" );
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document.write( "check,,,(3,1),,,1=-2(3) +7=1,,ok<BR>\n" );
document.write( "(-4,15),,,15 = -2(-4) + 7 = 15,,,ok<BR>\n" );
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