document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=255829>Question 255829</A>: <I><SPAN STYLE=\"word-break: break-all;\"> how do i find the equation of a line through two points, (4,3) and (2,4)? Please explain, the book says the answer is y=-1/2x+5 but I don't get how they got -1/2 and 5. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #188064 by </B><A HREF=/tutors/aboutme.mpl?userid=Greenfinch><B>Greenfinch(383)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Greenfinch><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/cgi-bin/show-face.mpl?user=Greenfinch><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=188064\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> First, the gradient.<BR>\n" );
document.write( "The x co-ord goes from 4 to 2 which is -2<BR>\n" );
document.write( "The y co-ord goes from 3 to 4 which is +1<BR>\n" );
document.write( "gradient is y/x = 1/-2 = -1/2.<BR>\n" );
document.write( "The value of y when x = 0 will be 5 the point (0,5) known as the y intercept<BR>\n" );
document.write( "The equstion is y = gradient x + y intercept<BR>\n" );
document.write( "which is y = - 1/2x + 5 </SPAN>\n" );
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