1. Midterm Review Collinear: G, H, I Coplanar: G, H, F or H, I, F

2. 2x – 13 = x – 3 2x = x – 10 10 x = 10 Midterm Review

3. 4y + 7 + 9y + 4 = 180 13y + 11 = 180 Midterm Review 13y = 169 y = 13

4. Midterm Review

6. 3x + 3 = 2x + 9 Midterm Review

12. 2x + 2 = 3x – 63 2x + 20 + 6x + 63 = 180 Alternate Exterior Angles = Congruent Same-Side Angles = Supplementary Midterm Review

16. Step # 1 Find the slope Step # 2 Point-slope Step # 3 Solve for y. Midterm Review

18. 34. Midterm Review

19. 35. Midterm Review

20. Algebra Find the values of the variables. 36. Midterm Review

21. Algebra Find the values of the variables. 37. Midterm Review

22. 38. 39. Midterm Review

23. 40. Midterm Review

24. 41. 42. Midterm Review

25. 43. 44. Midterm Review

26. 45. 46. Midterm Review

27. 47. 48. Midterm Review

28. 49. 50. Midterm Review

29. 51. 52. Midterm Review

30. Isosceles Triangle = Base angles are  Equilateral Triangle = All angles are 60º y – 10 = 60 x + 5 = 60 53. 54. Midterm Review

31. 5x = 10(2) 2(x – 8) = 35 Remember the mid-segment is half the base. 55.56. Midterm Review

32. 57. 58. Midterm Review

33. Opposite to the longest side is the bigger angle. Opposite to the shortest side is the smallest angle. Opposite to the bigger angle is the longest side. Opposite to the smallest angle is the shortest side. 59. 60. Midterm Review

36. 63. The length of two sides of triangle are 8cm and 6 cm. Find the range of possible lengths of the third side. Midterm Review

37. Find the range of possible values for each variable. 64.

38. Midterm Review Find the range of possible values for each variable. 65.