Chapter 2
1. Which graph the solutions of ?
2. Which of these numbers is a solution for
[A] 5[B] 1[C] –3[D] 2
3. Solve: 3x < 24
Chapter 3
4. The number of patients treated at Dr. Jason’s dentist office each day was recorded for seven days. Using the given data, find the mean, median, and mode for this sample.
8, 20, 10, 14, 10, 12, 3
Chapter 7
Solve:
5. 5x – 15 = –25
Solve:
6.
7. Solve the inequality and determine the graph of that solution.
8. A credit card company charges 9% simple interest. What is the total interest on an $800 loan at the end of three years? I = prt
Chapter 8
9. How do you determine if graph represents a function?
10. Which of the following is a function?
[A] {(4, –2), (–2, –4), (4, 0)}
[B] {4, –2, –4, 0}
[C] {(4, –2), (–4, 0), (–4, 4), (0, –4)}
[D] {(4, –2), (–2, 4), (0, 0)}
11. Which ordered pair is a solution of the equation = 23?
[A] (5, 3) [B] (5, 4) [C] (3, 5) [D] (4, 5)
12. Find slope of the line.
13. Find of the rule that describes the function represented by the table
14. All of the following are input/output pairs for the function EXCEPT
[A] f(5) = –7 [B] f(1) = 1 [C] f(2) = 1 [D] f(3) = –3
15. The students’ scores on a math test are shown on the following frequency table:
How many students scored below 19?
16. What is the equation that describes the graph below?
17. Solve the system by graphing.
18. Write a statement describes the graph.
19. Graph:
Chapter 12
20. Make a box-and-whisker plot for the data given below.
21 29 25 20 36 28 32 35 28 30 29 25 21 35 26 35 20 19
21. Ms. Wong is redecorating her office. She has a choice of 4 colors of paint, 4 kinds of curtains, and 3 colors of carpet. How many different ways are there to redecorate?
22. A bag contains 2 red, 3 white, and 5 blue marbles. Find the probability of obtaining a blue marble in a single draw.
23. Two urns each contain black balls and red balls. Urn I contains five black balls and three red balls and Urn II contains five black balls and two red balls. A ball is drawn from each urn. What is the probability that both balls are black?
24. A coin is tossed and a number cube is rolled. What is the probability that the coin shows heads and the number cube shows an even number?
25. A bag contains 3 purple marbles and 4 white marbles. Two marbles are drawn at random. One marble is drawn and not replaced. Then a second marble is drawn. What is the probability that the first marble is white and the second one is purple?
26. How many different ways can you arrange five scoops on a cone?
27. Game wardens use experiments to help determine the number of fish in a lake. Suppose 100 fish are caught, tagged, and released back into the lake. Two weeks later 40 fish are caught, of which 4 are found to have tags. Using this information, estimate the number of fish in the lake.
Chapter 13
28. What number is missing in this sequence? 1, 2, 6, 24, _____, 720
29. Graph y = .
30. Graph ?
31. Which of the following is not a polynomial?
[A] [B]
[C] [D]
32. Identify the polynomial as a monomial, binomial, or trinomial.
33. Evaluate whenand
34. Find the value of when x = –2.
35. Simplify the polynomial:
36. Add:
37. Subtract:
Multiply:
38. ()
39. ()()
Multiply:
40. ()()