Question

Classify each elements of √7, -1/4, 0, 3.14, 4, 22/7 as a member of N, Q, R-Q, Z

Answer 1

Answer:

-1/4 is Q, 22/7 is P, 0 is Q, √7 is P, 4 is N and Q, 3.14 is P.

Answer 2

$\sqrt{7}$ is an irrational number.

$\sqrt{7}$ ∈ R-Q

-1/4 is a rational number.

-1/4 ∈ Q

0 is a rational number and also an integer.

0 ∈ Z, Q

3.14 is a rational number.

3.14 ∈ Q

4 is a natural number, a rational number and also a positive integer.

4 ∈ N, Q, Z

22/7 is a rational number.

22/7 ∈ Q