-12 and 12
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12, -12
The set of integers less than -7 or greater than -1 includes all integers to the left of -7 on the number line and all integers to the right of -1 on the number line. In interval notation, this set can be represented as (-∞, -7) ∪ (-1, ∞). This set is infinite and includes all whole numbers that are not between -7 and -1 on the number line.
No, all integers are real numbers, but not all real numbers are integers. For example, 1.25 is a real number and a non-integer.No.
Yes. A rational number is a number that can be expressed as the quotient of two integers, the divisor not being zero. Since the divisor of an integer is 1, then all integers are rational.
8 is a real number, as it exists on the number line. It is also a rational number, as it can be expressed as the ratio of two integers (8/1). Additionally, 8 is an integer, as it is a whole number without any fractional or decimal parts. However, it is not an irrational number, as irrational numbers cannot be expressed as a ratio of integers.