document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1021162>Question 1021162</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Ex. 9. Plot the points(0,-10), (8,1), (15,10). How far is the second point from the line joining the other two?\r<BR>\n" );
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document.write( "Solve Ex. 9 for the points (-10,-20), (17,0), (30, 10).\r<BR>\n" );
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document.write( "Please solve.<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 #636919 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=636919\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Hi there,<BR>\n" );
document.write( "Second point (8,1)<BR>\n" );
document.write( "Line between (0,-10) and (15,10)<BR>\n" );
document.write( "Find mid point of line<BR>\n" );
document.write( "Formula:<BR>\n" );
document.write( "x1 + x2/2, y1 + y2/2<BR>\n" );
document.write( "0 + 15/2, -10 + 10/2<BR>\n" );
document.write( "(7.5,0)<BR>\n" );
document.write( "Distance from (8,1) to (7.5,0)<BR>\n" );
document.write( "Formula:<BR>\n" );
document.write( "&#8730;(x2 - x1)^2 + (y2 - y1)^2<BR>\n" );
document.write( "&#8730;(7.5 - 8)^2 + (0 - 1)^2<BR>\n" );
document.write( "&#8730;(-0.5)^2 + (-1)^2<BR>\n" );
document.write( "&#8730;0.25 + 1<BR>\n" );
document.write( "&#8730;1.25<BR>\n" );
document.write( "= 1.11 units<BR>\n" );
document.write( "Ex 9.<BR>\n" );
document.write( "Distance from (17,0) <BR>\n" );
document.write( "to line between (-10,-20) and (30, 10)<BR>\n" );
document.write( "Mid point of line:<BR>\n" );
document.write( "-10 + 30/2, -20 + 10/2<BR>\n" );
document.write( "20/2, -10/2<BR>\n" );
document.write( "(10,-10)<BR>\n" );
document.write( "Distance between (17,0) and (10,-10)<BR>\n" );
document.write( "&#8730; (10 - 17)^2 + (-10 - 0)^2<BR>\n" );
document.write( "&#8730;(-7)^2 + (-10)^2<BR>\n" );
document.write( "&#8730; 49 + 100<BR>\n" );
document.write( "&#8730;149<BR>\n" );
document.write( "= 12.2 units.<BR>\n" );
document.write( "Hope this helps :-) </SPAN>\n" );
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