document.write( "Question 45438: A pair of points is given.\r
\n" ); document.write( "\n" ); document.write( "(a) plot the points in a coordiunate plane.
\n" ); document.write( "(b) find the distance between them.
\n" ); document.write( "(c) find the midpoint of the segment joins them.\r
\n" ); document.write( "\n" ); document.write( "(2,-1), (4,3) \n" ); document.write( "
Algebra.Com's Answer #30188 by tutorcecilia(2152)\"\" \"About 
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(a) plot the points in a coordiunate plane.
\n" ); document.write( "Points (2,-1), (4,3)
\n" ); document.write( "\"+graph%28+600%2C+500%2C+-3%2C+10%2C+-10%2C+10%2C+2x-5%29+\"\r
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\n" ); document.write( "(b) find the distance between them.\r
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\n" ); document.write( "\n" ); document.write( "\"distance+%28d%29+=+sqrt%28+%28x1-x2%29%5E2+%2B+%28y1-y2%29%5E2%29+\"
\n" ); document.write( "\"distance+%28d%29+=+sqrt%28+%282-4%29%5E2+%2B+%28-1-3%29%5E2%29+\"
\n" ); document.write( "\"distance+%28d%29+=+sqrt%28+%28-2%29%5E2+%2B+%28-4%29%5E2%29+\"
\n" ); document.write( "\"distance+%28d%29+=+sqrt%28+%284%29+%2B+%2816%29%29+\"
\n" ); document.write( "\"distance+%28d%29+=+sqrt%28+%2820%29%29+\"
\n" ); document.write( "\"distance+%28d%29+=+2sqrt%28+%285%29%29+\"
\n" ); document.write( "d = 4.472\r
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\n" ); document.write( "\n" ); document.write( "(c) find the midpoint of the segment joins them.
\n" ); document.write( "((c) find the midpoint of the segment joins them.
\n" ); document.write( "Midpoint = [ (x1+x2)/2, (y1+y2)/2 ]
\n" ); document.write( "Midpoint = [ (2+4)/2, (-1+3)/2 ]
\n" ); document.write( "Midpoint = [ 6/2, 2/2 ]
\n" ); document.write( "Midpoint = (3, 1)\r
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