1. Geometry Warm Up-
Pg. 146 # 12

2. HW answers pg. 138 # 1-26 all
1. poor inductive reasoning 11.
2. Answers vary
3. Answers vary
4. 91, 105
5. V, 16
6. 19, -30
7. 2, 36 12. -3n+5; -55
8. 2, 5, 10, 17, 26, 37 13. n2; 400
9. 1, 2, 4, 8, 16, 32 14. n(n-1); 190
10. 2
15. n(n+1); 210
2

3. 16. 302 = 900
17. (30)(31) = 930
18. n2, 302 =900
19. n(n-1); (100)(99); 4950
2 2
20. (10+101) squares or 111 squares
(10+100) segments or 110 segments
21. n(n-1) = 741, so n=39
2
22. n(n-1); 28(27) = 378
2 2
23. n(n-1)= 2926; n=77
2
24. n-2; 54-2 = 52
25. n-2 = 54; n= 56

11. 26.

12. Try these....(Not in book)