QUESTION 1 Which of the numbers below belong to both the set of integers and rational numbers?

QUESTION 1

1. Which of the numbers below belong to both the set of integers and rational numbers?
2. I. -2
3. II. 
4. III.  
5. I only
6. II and III
7. I and III
8. I, II, and III

3 points  

QUESTION 2

1. Given the sets A = {7, 11, 14, 17, 21} and B = {0, 11, 15, 17, 34}, the set A  B is given by:
2. {11, 17}
3. {0, 7, 11, 11, 14, 15, 17, 17, 21, 34}
4. {0, 7, 11, 14, 15, 17, 21, 34}
5. ø

3 points  

QUESTION 3

1. Reduce the fraction  to its simplest form.

3 points  

QUESTION 4

1. Convert  to an improper fraction.

3 points  

QUESTION 5

1. Which number can be classified as a non-terminating, non-repeating decimal number?
2. 0.23845
3. 0.53917...

3 points  

QUESTION 6

1. Which number is the smallest?
2. 5.6123
3. 5.6245
4. 5.6023
5. 5.6985

3 points  

QUESTION 7

1. Which is the equivalent fraction form of the decimal number 0.24?

3 points  

QUESTION 8

1. Write the fraction  as a percent.
2. 55%
3. 65%
4. 45%
5. 50%

3 points  

QUESTION 9

1. Which graph shows the number 3 correctly plotted?

3 points  

QUESTION 10

1. Which graph shows the number  correctly plotted?

3 points  

QUESTION 11

1. Find the missing value: x4 = 16
2. 1
3. 2
4. 3
5. 4

3 points  

QUESTION 12

1. Expand the number 2400 into its corresponding exponential form.
2. 22 · 3 · 55
3. 25 · 3 · 52
4. 33 · 12
5. 3 · 5 · 7

3 points  

QUESTION 13

1. Select the expression equal to   .

3 points  

QUESTION 14

1. Select the expression equal to  .

3 points  

QUESTION 15

1. What is the first step to simplify the expression: 64 ÷ 42 - [2(4 - 6)2]?
2. Divide 64 by 4.
3. Square 4.
4. Subtract 6 from 4.
5. Multiply 2 times 4.

3 points  

QUESTION 16

1. Evaluate 9 + 12 ÷ 3 - 1 · 4 + 2 using the correct order of operations.
2. 8
3. 11
4. 14
5. 26

3 points  

QUESTION 17

1. Which values for a and b make the statement (a + 2)(b - 9) = 0 true?
2. a = 2, b = -9
3. a = -2, b = 9
4. a = -2, b = -9
5. a = 2, b = 9

3 points  

QUESTION 18

1. Which of the following gives an example of a set that is closed under multiplication?
2. The product of an even number and an even number
3. The product of a prime number and a prime number.
4. The product of a negative number and a negative number
5. The product of a perfect cube and a perfect cube

3 points  

QUESTION 19

1. Find the missing value:  · ___ = 1

3 points  

QUESTION 20

1. Which statement illustrates the identity property of addition?
2. 7x + 0 = 7x
3. 7x + 1x = 8x
4. 7x · 1 = 7x
5. 7x · 0 = 0

3 points  

QUESTION 21

1. Which number sentence illustrates the commutative property of addition?
2. 12 + 0 = 12
3. 12 + 1 = 1 + 12
4. 12 · 1 = 12
5. 12 + (1 + 3) = (12 + 1) + 3

3 points  

QUESTION 22

1. Which expression is equal to (2x + 5) · 8 using the commutative property?
2. (5 + 2x) · 8
3. 8 · 2x + 5 · 8
4. 2x + (5 · 8)
5. (2x + 5 · 8)

3 points  

QUESTION 23

1. How can the expression (6 - 1)x - 2(8y) be simplified?
2. 7x - 10y
3. 5x - 10y
4. 7x - 16y
5. 5x - 16y

3 points  

QUESTION 24

1. Which expression is equal to (21)(7)(3x) using the associative property?
2. (21 · 7 · 3)x
3. (7)(21)(3x)
4. 32(7 + 3x)
5. (3x)(7)(21)

3 points  

QUESTION 25

1. Which value of a would make the following statement true -4(2x - a) = -8x + 16?
2. -16
3. -4
4. 4
5. 16