Question

Which number set has only irrational numbers?

A) {-7.4, 0, 3.14}
B) {-
5
6
,
7
8
,
π
2
}
C) {
2
,
5
, π}
D) {
8
,
9
,
10
}

Answer 1

The answer is D because PI is a irrational number.

Explanation:

Answer 2

The sets containing π have that as an irrational element. The other numbers in the set are rational, so NO SET contains Only Irrational Numbers.

_____
Sets A and D appear to contain Only Rational Numbers.