Understanding Rational Numbers

What is a rational number?

• A number that can be expressed as a fraction of two integers.

• A number that is always positive.

• A number that is always negative.

• A number that cannot be divided.

Which of the following is an example of a rational number?

• √2

• 4/21

• 3.14

• 5

If 'a' is an integer and 'b' is an integer, which of the following is true?

• a/b is always an integer.

• a/b is always a rational number.

• a/b is always a whole number.

• a/b is always a negative number.

How can the integer 2 be expressed as a rational number?

• 2/3

• 2/1

• 2/2

• 2/0

Which statement is true about integers and rational numbers?

• All rational numbers are whole numbers.

• No integers are rational numbers.

• All integers are rational numbers.

• All rational numbers are integers.