Quiz on Integers and Operations +++

Which of the following is an integer?

• 3.5

• 0.25

• -7

• √2

Which of the following is a subset of the set of integers?

• {1, 2, 3, 4}

• {0, 2, 4, 6}

• {π, e, √3}

• {1.1, 2.2, 3.3}

The set of integers can be written as:

• {1, 2, 3, 4, 5}

• {..., -3, -2, -1, 0, 1, 2, 3, ...}

• {0, 1, 2, 3}

• {0, 1, 2}

Which of the following sets is NOT a subset of the set of integers?

• {0, 1, -1, 2}

• {1, 2, 3}

• {1/2, 3/4}

• {1, 2, 3, 4, 5}

Which of the following sets is a proper subset of the set of integers?

• {1, -1, 0}

• {2, 4, 6}

• {0}

• All integers greater than 5

Which set includes both positive and negative integers?

• {0, 1, 2, 3}

• {1, 2, 3, 4}

• {..., -2, -1, 0, 1, 2, 3, ...}

• {1, 3, 5, 7}

Which of the following is a proper subset of the integers set?

• {1, 2, 3}

• {0, 1, -1}

• {1, 3, 5}

• All the above

Which of the following numbers is an integer?

• -3.5

• 0

• 2.7

• √3

Which of the following is NOT an integer?

• 2

• -4

• 5.0

• √9

The set of all non-negative integers is represented as:

• {0, 1, 2, 3, ...}

• {..., -2, -1, 0, 1, 2, ...}

• {1, 2, 3, 4, 5}

• {-1, 0, 1, 2, 3}