1. Algebra 3

2. Answer: 1

3. Answer: right 1, down 7

4. Ex: A woman is redecorating her bedroom. She can choose from 6 paint colors, 4 beds, and 6 dressers. How many ways can she choose to design her room? Answer: 108

5. Ex: Fourteen high school students are running for student council positions of president, vice president, and secretary. How many ways can these 14 students fill the 3 positions? Answer: 2184

6. Ex: A menu at a restaurant offers 10 different appetizers. How many ways can a group order 5 appetizers? Answer: 252

7. Ex: Below is the results of a person rolling a number cube 100 times. What is the experimental probability that a person rolls a 1 or a 6? Answer: 24% NumberFrequency 117 210 333 413 520 67

8. Ex: What is the probability that a point chosen at random is inside the shaded area? Answer: 56%

9. Ex: A person counted the number of candy he had of each flavor. The results are shown below. If he picks a piece at random, what is the probability that the candy is orange? Answer: 21%

10. Ex: A company is testing a new method of manufacturing a part for their machines. They tested parts using the old and new methods. What is the probability that a part chosen at random from this group is new and passed the test? Answer: 8.8% NewOld Passed625 Failed334

11. Answer: x = 0, 6, -3

13. Ex: The table below shows the population of a city from 1970 to 2000. Write a polynomial function for the data. (start with 1970 as year zero and use the best answer given.) Year19701980198519002000 Pop.501845059525137850454250

14. Ex: Write the equation of a trigonometric function with a phase shift of left 90 o and an amplitude of 5 from the parent function y = cosx Answer: y = 4cos(x – 90 o )