Find the midpoint of a line with the given coordinates.

1.  (-7, 9) and (-12, -10)

2.  (7, -16) and (-9, -9)

Find the distance between the pair of points with the given coordinates.

3.  (-3, 4) and (10, -4)

4.  (-9, 13) and (-5, -10)

Find the other endpoint.

5.  endpoint: (4, -12)  midpoint: (-3, -12)

Answers ( 1. ( – 19/2, -1/2)   2. (-1, – 25/2)   3. square root of 233   4. square root of 545  5. (-10, -12)  )

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