Answer:
1. True 2. True 3. True 4. false 5. false
Explanation:
1. Every whole number is an integer. True
Whole numbers: 0, 1, 2, 3, ....
Integers: ... -3, -2, -1, 0, 1, 2, 3, ...
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2. The sum of two negative integer is a negative integer. True
Example: (-5) + (-2) = -7
If both numbers are negative, add the m and the result be negative number.
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3. The product of any two negative integers is a positive integer. True.
Example: (-5)* (-2) = 10
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4. The difference of a positive integer and a negative integer is always a negative integer. False.
Answer: The difference of a positive integer and a negative integer may be a negative integer or a positive integer.
Explanation: If the two numbers are different sign, we have to subtract, and the result will have the sign of the bigger number.
Example: (-5) + 2 = (-3)
5 + (-2) = 3
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5. The quotient of any integer is a negative number. False
Answer: The quotient of any integer may negative or positive integer according to the sign of the dividend and divisor.
Example: (-10) ÷ (-2) = 5
(-10) ÷ 2 = (-5)
10 ÷ (-2) = (-5)
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Answer:
1. True 2. True 3. True 4. false 5. false