document.write( "Question 1209062: The midpoint of the line segment from A to B is (5,-4). If B = (7,-2), what is A? \n" ); document.write( "
Algebra.Com's Answer #847633 by mccravyedwin(407)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "This is really a look-and-see problem if you have graph paper.\r\n" );
document.write( "Let's call the midpoint M(5,-4).  Notice that M is 2 units left\r\n" );
document.write( "and 2 units down from B. Since M is the midpoint of AB, you know \r\n" );
document.write( "that A has to be two units left and 2 units down from M. The\r\n" );
document.write( "green line MB is half of AB.\r\n" );
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document.write( "So let's redraw the graph, and you can locate A by observing what point\r\n" );
document.write( "is 2 units left and 2 units down from M. We'll draw the lower half of AB,\r\n" );
document.write( "which is AM.  So what are the coordinates of A?  I don't need to tell you,\r\n" );
document.write( "right?  You can look and see! \r\n" );
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document.write( "Edwin
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