document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=71129>Question 71129</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Given a line containing the points (1,3), (2,4), (3,5) determine the slope-intercept form of the equation, give one additional point on this line and graph the function. \r<BR>\n" );
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document.write( "Equation of line in slope-intercept form f(x) = <BR>\n" );
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document.write( "Show your work here:\r<BR>\n" );
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document.write( "Give one additional point in (x,y) form that would fall on this line: (4,6)\r<BR>\n" );
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document.write( "Graph the function:<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 #50857 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley75><B>checkley75(3666)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley75><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=50857\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> SLOPE=(Y2-Y1)/(X2-X1)<BR>\n" );
document.write( "(4-3)/(2-1)=1/1=1<BR>\n" );
document.write( "NOW SUBSTITUTE ONE SET OF (X,Y) POINTS AND SOLVE FOR THE Y INTERCEPT. THUS<BR>\n" );
document.write( "3=1*1+b<BR>\n" );
document.write( "3=1+b<BR>\n" );
document.write( "b=3-1<BR>\n" );
document.write( "b=2 THUS THE EQUATION OF THIS LINE IS <BR>\n" );
document.write( "Y=X+2<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+graph%28+200%2C+200%2C+-6%2C+5%2C+-10%2C+10%2C+y+=+x+%2B2%29+ ALIGN=MIDDLE  ALT=\"+graph%28+200%2C+200%2C+-6%2C+5%2C+-10%2C+10%2C+y+=+x+%2B2%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > (graph 200x200 pixels, x from -6 to 5, y from -10 to 10, y = x +2).  </SPAN>\n" );
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