Mastering Integers
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Questions and Answers

What does the set of integers include?

  • Only positive whole numbers
  • Only negative whole numbers
  • Positive and negative fractions
  • Positive and negative whole numbers including 0 (correct)

    • What are the subsets of the set of integers?

  • Set of fractions
  • Set of whole numbers (correct)
  • Set of natural numbers
  • Set of decimals

    • Which of the following is an integer?

  • 1.5
  • -2.5
  • 0.5
  • -1 (correct)

    • Which of the following is not an integer?

    <p>0.9</p> Signup and view all the answers

    What type of number is ½?

    <p>Decimal</p> Signup and view all the answers

    Which of the following is a characteristic of integers?

    <p>They can be negative</p> Signup and view all the answers

    What is a rational number?

    <p>A number that can be expressed as a ratio of two integers</p> Signup and view all the answers

    Is the number 18 a rational number?

    <p>Yes, because it can be expressed as a ratio of two integers</p> Signup and view all the answers

    What does it mean if a number is a rational number?

    <p>It means that the number can be expressed as a ratio of two integers</p> Signup and view all the answers

    Which of the following is a rational number?

    <p>A number that can be expressed as a ratio of two integers</p> Signup and view all the answers

    What is the formal definition of a rational number?

    <p>A number that can be written as a fraction with integers, where the denominator is not equal to 0</p> Signup and view all the answers

    Can the number 75 be expressed as a rational number?

    <p>Yes, because it can be expressed as a fraction with integers</p> Signup and view all the answers

    What is the condition for a number to be rational?

    <p>It can be written as a fraction with integers</p> Signup and view all the answers

    Is the number ½ a rational number?

    <p>Yes, because it is a fraction composed of integers 1 and 2</p> Signup and view all the answers

    What types of numbers can be used to express a rational number?

    <p>Integers</p> Signup and view all the answers

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