Real Numbers

Which two can only be positive?

• natural numbers

• integers

• rational numbers

• whole numbers

Which ones can only have decimals if there's only zeros behind it?

• irrational numbers

• whole numbers

• integers

• natural numbers

Which ones can have negative decimals?

• rational numbers

• natural numbers

• irrational numbers

• whole numbers

Repeating decimals are--

• rational

• irrational

• integers

• whole numbers

Which decimal is irrational?

• 0.121212...

• 1.123456...

• -7.3333...

• 1.1022222...

Natural numbers are always--

• positive

• whole numbers

• rational numbers

• irrational numbers

A number can be both rational and irrational?

• True

• False

A perfect square is

• rational

• irrational

The square root of 29 is--

• irrational

• rational

What is the square root of 400?

• -20

• 200

• 20

• -200