document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=756267>Question 756267</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 1. write an equation in point slope form that models the given information. Then,rearrange it into standard form.<BR>\n" );
document.write( "A. Passes through (4,2) and (&#8208;2,4)  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #460079 by </B><A HREF=/tutors/aboutme.mpl?userid=Cromlix><B>Cromlix(4381)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Cromlix><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=Cromlix><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=460079\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Use coordinates (4,2) and (-2,4) to find gradient (m)<BR>\n" );
document.write( "Formula = y2 - y1/x2 - x1 = 4 - 2/-2 -4 = 2/-6 = -1/3<BR>\n" );
document.write( "Using (4, 2) m = -1/3 and the formula => <BR>\n" );
document.write( "(You can use either set of the coords. (4,2) or (-2,4)) <BR>\n" );
document.write( "y - b = m(x - a)   (a and b are x and y of coords)<BR>\n" );
document.write( "             y - b = m(x - a)<BR>\n" );
document.write( "             y - 2 = -1/3(x - 4)<BR>\n" );
document.write( "Multiply out:<BR>\n" );
document.write( "             y - 2 = -1/3x + 4/3<BR>\n" );
document.write( "Convert 2 to 6/3<BR>\n" );
document.write( "                 y = -1/3x + 4/3 + 6/3<BR>\n" );
document.write( "                 y = -1/3x + 10/3\r<BR>\n" );
document.write( "\n" );
document.write( "You can multiply through by 3 to remove fractions:<BR>\n" );
document.write( "                 3y = -x + 10<BR>\n" );
document.write( "Hope this helps<BR>\n" );
document.write( ":-) </SPAN>\n" );
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