Answer:
1. -3/7
2. 5/2
3. 2/3
4. 4/5
5. -7
6. 5/4
7. (8,2)
8. (4,3/2)
9. (-8,2)
10. (-3/2,7/2)
Explanation:
For 1-6, use the formula of y2-y1/x2-x1.
1. -2+5/0-7 -3/7
2. 0+5/-7+5 5/2
3. 3+1/1+5 4/6 or 2/3
4. -3-5/-5-5 -8/-10 or 4/5
5. 3+4/0-1 7/-1 or -7
6. 1+4/4-0 5/4
For 7-10 use the formula of x1+x2/2, y1+y2/2
7. 9+7/2 and 2+2/2 (8,2)
8. 4+4/2 and 9+-6/2 (4,3/2)
9. -6+-10/2 and -6+10/2 (-8,2)
10. 2+-5/2 and -8+1/2 (-3/2,7/2)