document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=27855>Question 27855</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 1. calculate the slope and midpoint of ( -1 , 7 ), ( 1 , 5 ) <BR>\n" );
document.write( "2. calculate the slope and midpoint of ( 8.2 , 6.9 ), ( -20.1 , -8.2 ) <BR>\n" );
document.write( "3. calculate the slope and midpoint of ( -8.4 , 6.9 ), ( -8.5 , 5.1 ) <BR>\n" );
document.write( "4. calculate the slope and midpoint of ( -34 , -41 ), ( -26 , 42 ) <BR>\n" );
document.write( "5. calculate the slope and midpoint of ( -7 , 8 ), ( -4 , -3 ) <BR>\n" );
document.write( "6. calculate the slope and midpoint of ( -25.7 , -16.2 ), ( -40.6 , 12.2 ) <BR>\n" );
document.write( "7. calculate the slope and midpoint of ( 12 , 1 ), ( 36 , -42 ) <BR>\n" );
document.write( "8. calculate the slope and midpoint of ( -1 , -8 ), ( -7 , -4 ) <BR>\n" );
document.write( "9. calculate the slope and midpoint of ( 2.1 , 3.8 ), ( 3.1 , 7.6 ) <BR>\n" );
document.write( "10.calculate the slope and midpoint of (41.8 , -18.2 ), ( 18.6 , 0.8 ) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #15187 by </B><A HREF=/tutors/aboutme.mpl?userid=bmauger><B>bmauger(101)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=bmauger><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=15187\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The slope is the ratio of rise to run. Rise is the change in y, run is the change in x. In math <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28y1-y2%29%2F%28x1-x2%29 ALIGN=MIDDLE  ALT=\"%28y1-y2%29%2F%28x1-x2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > So if your two points are (4, -3) and (-2, 1) then the slope will be: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28-3-1%29%2F%284-%28-2%29%29=-4%2F6=-2%2F3 ALIGN=MIDDLE  ALT=\"%28-3-1%29%2F%284-%28-2%29%29=-4%2F6=-2%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "The midpoint is found by the midpoint formula, where the average of the x values is the x value of the midpoint and the average of the ys is the y midpoint. In other words <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=xmid=%28x1%2Bx2%29%2F2 ALIGN=MIDDLE  ALT=\"xmid=%28x1%2Bx2%29%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" > <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=ymid=%28y1%2By2%29%2F2 ALIGN=MIDDLE  ALT=\"ymid=%28y1%2By2%29%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" > So if you wanted to find the midpoint of 4,-3 and -2,1 you would take the average of 4 & -2 <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%284%2B%28-2%29%29%2F2=1 ALIGN=MIDDLE  ALT=\"%284%2B%28-2%29%29%2F2=1\"   DISABLED_style= \"max-width:90%; height:auto;\" > and the average of -3 and 1 <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28-3%2B1%29%2F2=-1 ALIGN=MIDDLE  ALT=\"%28-3%2B1%29%2F2=-1\"   DISABLED_style= \"max-width:90%; height:auto;\" > So the midpoint would be (1,-1).\r<BR>\n" );
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document.write( "And no, no one is going to do your 10 homework problems. If you have a question about <i>how</i> to do something, ask it. If you want your homework done for you, start paying the smart kids to do it for you... and get used to it. </SPAN>\n" );
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