document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=2689>Question 2689</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Question: Find the equation of the line that passes through points (7,-2) and (5,1)<BR>\n" );
document.write( "Write the equation of the line in slope-intercept form. <BR>\n" );
document.write( "I know the the slope intercept for is y = mx +b<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #1245 by </B><A HREF=/tutors/aboutme.mpl?userid=xcentaur><B>xcentaur(357)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=xcentaur><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=1245\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let the points be P(7,-2) and Q(5,1).<BR>\n" );
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document.write( "Slope of a line (m) =<BR>\n" );
document.write( "= (difference of ordinates)/(difference of abcissae)<BR>\n" );
document.write( "= (y2-y1)/(x2-x1)<BR>\n" );
document.write( "= (1-(-2))/(5-7)<BR>\n" );
document.write( "= (1+2)/(2)<BR>\n" );
document.write( "= (3/2)<BR>\n" );
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document.write( "Now m=3/2<BR>\n" );
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document.write( "Taking form of:<BR>\n" );
document.write( "y-y1=m(x-x1)<BR>\n" );
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document.write( "y-(-2)=3/2(x-7)<BR>\n" );
document.write( "y+2=3/2(x-7)<BR>\n" );
document.write( "2y+4=3(x-7)<BR>\n" );
document.write( "2y+4=3x-21<BR>\n" );
document.write( "2y-3x=-21-4<BR>\n" );
document.write( "2y-3x=-25<BR>\n" );
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document.write( "Converting to standard form of slope-intercept we get,<BR>\n" );
document.write( "2y=3x-25\r<BR>\n" );
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document.write( "Here,slope(m)=(3/2)<BR>\n" );
document.write( "     yintercept=(-25/2)<BR>\n" );
document.write( "<P><BR>\n" );
document.write( "Hope this helps,<BR>\n" );
document.write( "best of luck </SPAN>\n" );
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