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1. Find the general term of the set. {8, 12, 16, 20, 24, . . .}

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1. Find the general term of the set. {8, 12, 16, 20, 24, . . .}

(Points : 1)

8n
4n + 4
3n + 5
5n + 3

 

2. Find the general term of the set. {2, 4, 6, 8, 10, . . .}

(Points : 1)

n + 1
3n – 1
n + 1
2n

 

3. Round to the nearest hundredth. 2.8749

(Points : 1)

2.8740
2.8750
2.8700
2.8800

 

4. Which sentence is not a statement?

(Points : 1)

2 x 4 = 7
8 + 2
Jan and Ella are neighbors.
Bill is a photographer.

 

5. State whether the following sequence is arithmetic, geometric, or neither.
10, 10.25, 10.50625, 10.76890625, …. (Points : 1)

arithmetic sequence
geometric sequence
neither

 

6. Round to the nearest hundred. 3,653

(Points : 1)

 

 

7. State whether the following sequence is arithmetic, geometric, or neither.
4, 15, 26, 37, 48, 59, ….. (Points : 1)

arithmetic sequence
geometric sequence
neither

 

8. Phil has 15 stamps of denominations $0.37 and $0.23. If the total value of the stamps is $4.85 how many $0.37 stamps does Phil have?

(Points : 1)

5
10
11
9

 

9.

Let U = {5, 10, 15, 20, 25, 30, 35, 40}

A = {5, 10, 15, 20}

B = {25, 30, 35, 40}

C = {10, 20, 30, 40}.

Find AC.

(Points : 1)

{5, 15, 30, 40}
Ø
{5, 10, 15, 20, 30, 40}
{10, 20}

 

10. In a survey of 24 college students, it was found that 16 were taking an English class, 17 were taking a math class, and 10 were taking both English and math. How many students were taking a math class only?

(Points : 1)

8
7
18
1

 

11. The process of arriving at a specific conclusion based on previously accepted general statements is called ___________ reasoning.

(Points : 1)

 

 

12. A recipe calls for 3 cups of flour. If the baker wants to make half a recipe, how much flour should be used?

(Points : 1)

6 cups
1 1/2 cups
2/3 cups
5 cups

 

13. A car travels 359 miles on 6.6 gallons of gasoline. How many miles per gallon did the car get? (Round to the nearest tenth.)

(Points : 1)

18.4 miles per gallon
56.8 miles per gallon
54.4 miles per gallon
48.9 miles per gallon

 

14. Use inductive reasoning to find a pattern, and then make a reasonable conjecture for the next number in the sequence.1 2 4 8 16 ____

(Points : 1)

 

 

15. Upon examining the contents of 38 backpacks, it was found that 23 contained a black pen, 27 contained a blue pen, and 21 contained a pencil, 15 contained both a black pen and a blue pen, 12 contained both a black pen and a pencil, 18 contained both a blue pen and a pencil, and 10 contained all three items. How many backpacks contained none of the three writing instruments?

(Points : 1)

3
11
2
15

 

16. Which statement is false? (Points : 1)

a ∈ {a, b, c}
Ø ⊂ {a, b, c}
Ø ⊆ {a, b, c}
Ø ∈ {a, b, c}

 

17. Select a counterexample to show that the statement is false. When an odd number is added to the product of two even numbers, the result will be even.

(Points : 1)

4•5 + 1 = 21. 21 is not even.
4•2 + 3 = 11. 11 is not even.
4•5 + 2 = 22. 22 is even.
3•5 + 4 = 19.19 is not even.

 

18. Perform the indicated operations:
-42÷6+(-7) (Points : 1)

0
14
42
-14

 

19. The process of arriving at a general conclusion based on the observation of specific examples is called ___________ reasoning.

(Points : 1)

 

 

20. Which of the following expressions finishes the equation to demonstrate the associative property of addition?

(3+8)+5= (Points : 1)

3(8+5)
(3-8)-5

 

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