document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=661733>Question 661733</A>: <I><SPAN STYLE=\"word-break: break-all;\"> hello the question is \"find the equation on a straight line that passes through the points (2,7) and (14,31)\" please can you explain how to do this ?? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #411793 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=411793\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> find the equation on a straight line that passes through the points (2,7) and (14,31)\"<BR>\n" );
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document.write( "Assign the given pairs as follows:<BR>\n" );
document.write( "x1 = 2; y1 = 7<BR>\n" );
document.write( "x2 = 14; y2 = 31<BR>\n" );
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document.write( "Find the slope using the slope formula m = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28y2-y1%29%2F%28x2-x1%29 ALIGN=MIDDLE  ALT=\"%28y2-y1%29%2F%28x2-x1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "m = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2831-7%29%2F%2814-2%29 ALIGN=MIDDLE  ALT=\"%2831-7%29%2F%2814-2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=24%2F12 ALIGN=MIDDLE  ALT=\"24%2F12\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 2<BR>\n" );
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document.write( "Find the equation using the point/slope formula: y - y1 = m(x - x1)<BR>\n" );
document.write( "y - 7 = 2(x - 2)<BR>\n" );
document.write( "y - 7 = 2x - 4<BR>\n" );
document.write( "y = 2x - 4 + 7<BR>\n" );
document.write( "y = 2x + 3 is the equation for the given line<BR>\n" );
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document.write( "You can confirm this for yourself, replace x with 2, find y, should = 7<BR>\n" );
document.write( "Do the same with the 2nd pair\r<BR>\n" );
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