Set notation Questionbank

$\pi$

$-5$

$0.75$

$\sqrt{16}$

$\{-\sqrt{2}, \sqrt{2}\}$

$\{2, -2\}$

$\emptyset$

$\{\sqrt{2}\}$

$\{x \mid x = n^2, n \in \mathbb{N}, n < 5\}$

$\{x \mid x = n^2, n \in \mathbb{Z}^+, 1 \le n \le 5\}$

$\{x \mid x = n^2, n \in \mathbb{Z}, -5 \le n \le 5\}$

$\{x \mid x = 2n, n \in \mathbb{N}, 1 \le n \le 5\}$

$2$

$10$

$8$

$11$

6

3

7

4

$\{x : x \in \mathbb{R}, 3 \le x \le 15 \}$

$\{x : x = 3n, n \in \mathbb{Z}^+, 1 \le n \le 5 \}$

$\{x : x = 3+n, n \in \mathbb{N}, 1 \le n \le 5 \}$

$\{x : x = 3n, n \in \mathbb{Z} \}$

$-5 \in \mathbb{N}$

$-5 \subset \mathbb{N}$

$-5 \notin \mathbb{N}$

$-5 \subseteq \mathbb{N}$

$n(A) = 4$ and $n(B) = 2$

$n(A) = n(B) = 3$

$n(A) = 3$ and $n(B) = 1$

$n(A) = 3$ and $n(B) = 2$

$A = B$

$A \neq B$

$A \cap B = \emptyset$

$n(A) \neq n(B)$

The set of all humans currently alive on Earth

$\{x \mid x \in \mathbb{R}, x > 10\}$

$\{x \mid x \in \mathbb{Q}, 0 < x < 1\}$

The set of all multiples of 7