document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=494790>Question 494790</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Write the equation of the line that passes through (2, 4) and (1, –3) in slope-intercept form. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #335796 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=335796\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Write the equation of the line that passes through (2, 4) and (1, –3) in slope-intercept form.<BR>\n" );
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document.write( "Standard form of an equation for a straight line: y=mx+b, m=slope, b=y-intercept<BR>\n" );
document.write( "..<BR>\n" );
document.write( "Slope of given line=&#8710;y/&#8710;x=(4-(-3)/(2-1)=7/1=7<BR>\n" );
document.write( "Equation:<BR>\n" );
document.write( "y=7x+b<BR>\n" );
document.write( "find b using one of given points (2,4)<BR>\n" );
document.write( "4=7*2+b<BR>\n" );
document.write( "b=4-14=-10<BR>\n" );
document.write( "Equation:<BR>\n" );
document.write( "y=7x-10<BR>\n" );
document.write( "see graph below as a visual check on answers<BR>\n" );
document.write( "..<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+graph%28+300%2C+300%2C+-10%2C+10%2C+-20%2C+5%2C7x-10%29+ ALIGN=MIDDLE  ALT=\"+graph%28+300%2C+300%2C+-10%2C+10%2C+-20%2C+5%2C7x-10%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );