Question

Which statements are true about irrational numbers?

Select all that apply.
1. They are not real numbers.

2.Their decimal form contains a bar over one or more decimal numbers to show that they continue on infinitely.

3.They can be the square root of a non-perfect square.

4.They can be written as simple fractions.

5. Their decimal form contains an ellipsis, 3 dots, to show that they continue on infinitely.

Answer 1

Explanation:

the irrational number can't be represented to a fraction number, like pi and square root of 2 , e and so on, the third fourth choice are true

rational number and irrational number are included in real number, the second choice means the decimal numbers with circulating decimal, it is belong to rational number.

the fifth choice only be used to decimal number with circulating decimal, not the irrational number.