Project ID:
7200020170
Accepted:
Type:
Layout:
Question:
The letter $\mathbb{R}$ denotes the set of all real numbers, $\mathbb{Z}$ denotes the set of all integers, and the letter $\mathbb{N}$ denotes the set of all natural numbers, i.e., the set of all positive integers. Finally, $\mathbb{N}_0$ denotes the set of all nonnegative integers. Match the sets that are equal.
Questions Title:
Set notation
Answers Title:
Set
Question 1:
$
\{x \in \mathbb{N}: x < 0 \}
$
Answer 1:
$\emptyset$
Question 2:
$
\{x \in \mathbb{Z}: |x|\leq 1 \}
$
Answer 2:
$\{-1,0,1\}$
Question 3:
$
\{x \in \mathbb{N}_0: x < 1 \}
$
Answer 3:
$\{0\}$
Question 4:
$
\{x \in \mathbb{R}: |x-1| < 2 \}
$
Answer 4:
$(-1;3)$
Question 5:
$
\{x \in \mathbb{N}: x < 9 \}
$
Answer 5:
$\{1,2,3,4,5,6,7,8\}$
Question 6:
$
\{x \in \mathbb{Z}: |x+3| < 3 \}
$
Answer 6:
$\{-5,-4,-3,-2,-1\}$