SETS (roster and set builder form)

The set of natural numbers less than 6 in roster form?

• {x | x ∈ N, x < 6}

• {0, 1, 2, 3, 4, 5}

• {1, 2, 3, 4, 5}

• {x | x is a natural number greater than 0}

The set {2, 4, 6, 8, 10} in set builder form is:

• {x | x is an even number}

• {x | x is an even number less than 10}

• x | x = 2n, n ∈ N, n ≤ 5}

• {x | x = 2n, n ∈ N}

{x | x ∈ N, x < 4} represent in roster form?

• {1, 2, 3}

• {0, 1, 2, 3}

• {x < 4}

• {1, 2, 3, 4}

the set {x | x is a prime number less than 10}?

• {2, 3, 5, 7}

• {1, 3, 5, 7}

• {2, 3, 5, 7, 9}

• {1, 2, 3, 5, 7}

The set {x | x is a vowel in the English alphabet} in roster form

• {vowel}

• {A, E, I, O, U}

• {a, e, i, o, u}

• {x | x is a vowel}

What is the set builder form of {0, 1, 4, 9, 16}?

• {x | x is a square number}

• {x | x = n², n ∈ W, n ≤ 4}

• {x | x < 20}

• {x | x is even and less than 17}

Which of the following sets is written in roster form?

• {x | x ∈ Z, -2 ≤ x ≤ 2}

• {x ∈ N : x < 5}

• {-2, -1, 0, 1, 2}

• {x : x is a month with 31 days}

Roster form of the set {x | x is a letter in the word “APPLE”} is:

• {A, P, L, E}

• {A, P, P, L, E}

• {A, L, P, }

• { L, E, A}

What is the roster form of the set {x | x ∈ Z, -3 < x < 3}?

• {-3, -2, -1, 0, 1, 2, 3}

• {-2, -1, 0, 1, 2}

• {-3, -2, -1, 1, 2, 3}

• {-2, -1, 0, 1, 2, 3}

What is the set builder form of the set {5, 10, 15, 20}?

• {x | x = 5n, n ∈ N, n ≤ 4}

• {x | x ∈ N, x ≤ 20}

• {x | x ∈ N, x < 25}

• {x | x is a multiple of 5}