1. Sections 12.8,
Review Game

2. Identify the domain and range of the relation.x –5 –6 –7 7 y –4 3 1 A.
domain: –7, –6, –5, 0, 7
range: –6, –4, 0, 1, 3 C.
domain: –6, –4, 0, 1, 3
range: –7, –6, –5, 0, 7 B. D.
Answer: A

3. Which of the following relations is a function?
Answer: a

4. Which of the following relations is a function?
Answer: A

5. Which graph represents a function?
Answer: D

6. Which graph does NOT represent a function?
Answer: D

7. Which ordered pair is a solution of the equation
Answer: A Work: −2 −4 − −1 =9 8+1=9 9=9

8. Graph the linear equation
Answer: B

9. Write the equation in function form
Answer: 𝑦=2𝑥−5 Work: 6𝑥−3𝑦=15 −6𝑥 −6𝑥 −3𝑦=−6𝑥+15 −3𝑦 −3 = −6𝑥 − −3 𝑦=2𝑥−5

10. Write the equation in function form
Answer: 𝑦=−𝑥
Work:
𝑥+𝑦=0
−𝑥 −𝑥
𝑦=−𝑥

11. Graph the line that has the given intercepts
Graph the line that has the given intercepts. x-intercept: 3 ; y-intercept: -5
Answer: C

12. Find the intercepts of the equation's graph.
Answer: C 𝑥:
0=2𝑥−6
6=2𝑥
6 2 = 2𝑥 2
3=𝑥 𝑦:
𝑦=2 0 −6
𝑦=0−6
𝑦=−6

13. Tell whether the sequence is arithmetic or geometric
Tell whether the sequence is arithmetic or geometric. Then find the common difference or the common ratio, and write the next three terms.
Answer: B

14. Tell whether the sequence is arithmetic or geometric
Tell whether the sequence is arithmetic or geometric. Then find the common difference or the common ratio, and write the next three terms
Answer: A

15. In 1999, the average cost of a ticket on a privately-owned airline was $114. This amount has increased by approximately $54 yearly. How much should you expect to pay for a ticket on this airline in the year 2017?
Answer: C Work: 𝑛− −