Question 1

Find the additive inverse of  .
A) 
B) -7
C) 
D) 0
E) 7

Accepted Answer

B

Question 2

Place the correct symbol, < or >, between the two numbers. 
A)   
B)

Accepted Answer

B

Question 3

Evaluate: 
A) 57
B) -57
C) -56
D) 58
E) 56

Accepted Answer

Based on the given string of characters, the last two characters "TB" suggest that this could be a hexadecimal number. When converting to decimal, "9f4c" becomes 40844 and "1d89e74299dd" becomes 20701689083485. When subtracting the two values, we get -20660804642641. The answer is negative, so the only possible choice is B (-57).

Question 4

Add: 
A) 10
B) 14
C) -14
D) -10
E) -6

Accepted Answer

The answer of Add: 
A) 10
B) 14
C) -14
D) -10
E) -6...

Question 5

Let  . Evaluate  for each element of the set.
A) 12, 0, -4
B) -12, 0, 4
C) -12, 0, -4
D) 12, 0, 4
E) 12, 1, -4

Accepted Answer

The answer of Let  . Evaluate  for each...

Question 6

Place the correct symbol, < or >, between the two numbers. 
A) -22  4
B) -22  4

Accepted Answer

The answer of Place the correct symbol, < or >,...

Question 7

Place the correct symbol, < or >, between the two numbers. 
A) -4  -15
B) -4  -15

Accepted Answer

The answer of Place the correct symbol, < or >,...

Question 8

Place the correct symbol, < or >, between the two numbers: 53 33.
A) 
B)

Accepted Answer

The answer of Place the correct symbol, < or >,...

Question 9

Place the correct symbol, < or >, between the two numbers. 
A)   
B)

Accepted Answer

The answer of Place the correct symbol, < or >,...

Question 10

Evaluate: 
A) 85
B) -85
C) 86
D) -84
E) 84

Accepted Answer

The answer of Evaluate: 
A) 85
B) -85
C) 86
D) -84
E) 84...

Question 11

Evaluate: 
A) 83
B) -83
C) -82
D) 84
E) 82

Accepted Answer

The answer of Evaluate: 
A) 83
B) -83
C) -82
D) 84
E) 82...

Question 12

Place the correct symbol, < or >, between the two numbers. 
A)   
B)

Accepted Answer

The correct symbol to place between the two numbers is ">" indicating the first number is greater than the second number.

Question 13

Evaluate: 
A) 88
B) -88
C) -87
D) 89
E) 87

Accepted Answer

The answer of Evaluate: 
A) 88
B) -88
C) -87
D) 89
E) 87...

Question 14

Add. 
A) -17
B) -19
C) 17
D) 19
E) 10

Accepted Answer

The answer of Add. 
A) -17
B) -19
C) 17
D) 19
E) 10...

Question 15

Let  . For which values of y is  true?
A) 4
B) -6
C) -11
D) -11, -6
E) -11, -6, 4

Accepted Answer

The answer of Let  . For which values of...

Question 16

Find the additive inverse of  .
A) 
B) 3
C) 
D) 0
E) -3

Accepted Answer

The answer of Find the additive inverse of  .
A)...

Question 17

Add: 
A) 11
B) 5
C) -11
D) -5
E) 7

Accepted Answer

The only relevant piece of information in the given code is "TB8311_11," which has 5 characters.

Question 18

Evaluate: 
A) -53
B) 53
C) -52
D) 52
E) -54

Accepted Answer

The answer of Evaluate: 
A) -53
B) 53
C) -52
D) 52
E) -54...

Question 19

Place the correct symbol, < or >, between the two numbers. 
A) -25  -45
B) -25  -45

Accepted Answer

Based on the hexadecimal representation, the first number is smaller than the second number, so the symbol to use is <. In option A, the first number is larger than the second number, so the symbol should be >, making option B the correct choice.

Question 20

Let  . For which values of x is  true?
A) 9
B) -10, -4, 9
C) -10
D) -10, -4
E) -10, 9

Accepted Answer

The answer of Let  . For which values of...

Quiz 1: Real Numbers and Variable Expressions

Find the additive inverse of .

Place the correct symbol, < or >, between the two numbers.

Evaluate:

Add:

Let . Evaluate for each element of the set.

Place the correct symbol, < or >, between the two numbers.

Place the correct symbol, < or >, between the two numbers.

Place the correct symbol, < or >, between the two numbers: 53 33.

Place the correct symbol, < or >, between the two numbers.

Evaluate:

Evaluate:

Place the correct symbol, < or >, between the two numbers.

Evaluate:

Add.

Let . For which values of y is true?

Find the additive inverse of .

Add:

Evaluate:

Place the correct symbol, < or >, between the two numbers.

Let . For which values of x is true?