document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1159381>Question 1159381</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What is the midpoint between (-1, 11) and (-1, -5)? </SPAN>\n" );
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document.write( "Answer: <font color=red>(-1, 3)</font>\r<BR>\n" );
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document.write( "Work Shown:\r<BR>\n" );
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document.write( "Add up the x coordinates to get<BR>\n" );
document.write( "x1+x2 = -1+(-1) = -2<BR>\n" );
document.write( "Then we cut this result in half<BR>\n" );
document.write( "(-2)*(1/2) = -2/2 = -1<BR>\n" );
document.write( "The x coordinate of the midpoint is x = -1 which is the same as the other original x coordinates.\r<BR>\n" );
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document.write( "Repeat similar steps for the y coordinates<BR>\n" );
document.write( "Add: y1+y2 = 11+(-5) = 6<BR>\n" );
document.write( "Divide by two: 6/2 = 3<BR>\n" );
document.write( "The y coordinate of the midpoint is y = 3\r<BR>\n" );
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document.write( "Overall the midpoint is (-1, 3) which is shown by this diagram<BR>\n" );
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document.write( "We see that the distance from A = (-1,11) to B = (-1,-5) is exactly 11-(-5) = 11+5 = 16 units. Half of this is 16/2 = 8, which is the distance from A to C, or from B to C. \r<BR>\n" );
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document.write( "The midpoint C cuts segment AB in half, or bisects it. We can say AC = CB since both pieces are 8 units long.\r<BR>\n" );
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document.write( "Because the x coordinates of the original points are the same, we are effectively only concerned with finding the midpoint of the y coordinates. Imagine laying out a horizontal number line with -5 and 11 on it. Finding the midpoint should lead to 3. The number line can be placed vertically if you want, which is basically what the y axis visually represents. <BR>\n" );
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