- Select two exercises from each of the four section groupings listed below, for a total of eight (8) exercises. Post a message to the Group Work Forum indicating which exercises you have chosen so that other members of your group will know to select other exercises.
- Section R.2: exercises 72, 76,
- 72. Use the distributive property to rewrite sums as products and products as sums. -3(m+n)

76. Use the distributive property to calculate each value mentally.

17 2/5 x 14 3/4 - 17 2/5 x 4 3/4

- Section R.3: exercises 60,64

Find each product.

60. (8s - 3t) (8s + 3t)

64. (a - 6b)2

- Section R.4: exercises 86, 98
- Factor by any method
- 86. (2y - 1)2 _ 4(2y - 1) + 4
- 98. 216p3 + 125q3

Section R.5: exercises 46, 48 - Perform each addition or subtraction.
- 46. 3/z + x/z2
- 48. 7/18a3b2 - 2/9ab

- Section R.6: exercises 88, 94
- Factor, using the given common factor. Assume all variables represent positive real numbers.
- 88. 3m2/3 - 4m1/3; m1/3
- 94. (3r + 1)-2/3 + (3r + 1)1/3 + (3r + 1)4/3; (3r + 1)-2/3

Note: Exercises are selected on a first-come basis. If a member of your group has already chosen an exercise you had wanted to answer, please select a different exercise. Your goal as a group is to answer and discuss as many different exercises as possible. Also, don't shy away from the seemingly more difficult exercises in each set. Some of these will help prepare you for similar questions on the module's written assignment.

- Post your draft solutions to the Group Work Forum. Be sure to identify the section and exercise numbers and to type out each question.
- Discuss your work freely with other members of the group. Share ideas and advice, ask questions, and help each other out as much as possible. Ultimately, however, you will be responsible for posting your own solutions to the Solutions Forum (see phase 2).

Phase 2: Posting Your Solutions

Phase 2 of the Group Activity involves posting worked-out solutions to the eight exercises you selected in phase 1. You post these solutions to the Solutions Forum. Your worked-out solutions to eight exercises count 40 percent toward your activity grade. Partial credit will be given. Here's how to proceed:

- In Solutions Forum 1, post your worked-out solutions to the eight exercises you selected in phase 1 of the Group Activity. Please title your posting "Module 1 Exercises/[Your Name]."
- Read and comment on the solutions posted by your classmates. Your mentor will similarly review and comment on the solutions provided. Study the mentor's comments closely.

Subject | Mathematics |

Due By (Pacific Time) | 05/08/2015 12:00 am |

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