50. What is the set of negative numbers and whole numbers called?
- (A) The set of natural numbers
- (B) The set of integers
- (C) The set of positive numbers
- (D) The set of negative numbers
49. The numbers +1, +2, +3, +4, . . . are referred to as
- (A) Integers
- (B) Positive integers
- (C) Negative integers
- (D) Whole numbers
48. The numbers –1, –2, –3, –4, . . . are referred to as
- (A) Integers
- (B) Positive integers
- (C) Negative integers
- (D) Whole numbers
47. The numbers . . . , –4, –3, –2, –1, 0, +1, +2, +3, . . . are called
- (A) Integers
- (B) Positive integers
- (C) Negative integers
- (D) Non-negative integers
46. Fill in the blank: All the positive integers lie to the __________ of 0
- (A) Right
- (B) Left
- (C) Up
- (D) Down
45. Fill in the blank: All the negative integers lie to the __________ of 0
- (A) Right
- (B) Left
- (C) Up
- (D) Down
44. The non-negative integers are also called
- (A) Natural numbers
- (B) Positive integers
- (C) Negative integers
- (D) Whole numbers
43. The sum of two negative integers is again a
- (A) Natural number
- (B) Positive integer
- (C) Negative integer
- (D) Whole number
42. The difference of two negative integers is
- (A) A natural number
- (B) A positive integer
- (C) A non-negative integer
- (D) Depend on the numbers
41. The sum of a positive integer and a negative integer is always
- (A) A natural number
- (B) A positive integer
- (C) A negative integer
- (D) An integer
40. When a negative integer is subtracted from another negative integer, the sign of the result
- (A) is always negative
- (B) is always positive
- (C) is never negative
- (D) depends on the numerical value of the integers
39. The statement When an integer is added to itself, the sum is greater than the integer is
- (A) always true
- (B) never true
- (C) true only when the integer is positive
- (D) true for non-negative integers
38. Two integers are said to be additive inverses of each other if
- (A) the sum of them is zero
- (B) the sum of them is 1
- (C) the sum of them is −1
- (D) the product of them is –1
37. The additive inverse of a negative integer
- (A) is always negative
- (B) is always positive
- (C) is the same integer
- (D) zero
36. The additive inverse of 0 is _______.
- (A) 0
- (B) –0
- (C) 1
- (D) –1
35. The additive inverse of –1 is _______.
- (A) 0
- (B) 1
- (C) 10
- (D) –1