Real Number System

What symbol is used to represent real numbers?

• Z

• N

• Q

• R

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

• 1/3

• Square root of 2

• Square root of 3

• Pi

What symbol is used to represent integers?

• I

• Q

• W

• Z

Which of the following numbers is considered a whole number?

• 0

• -1

• Square root of 4

• Pi

What symbol is used to represent irrational numbers?

• I

• R

• Q

• N

Which of the following is an example of an irrational number?

• 2/3

• 0.333...

• 0.75

• Pi

What symbol is used to represent natural numbers?

• Q

• N

• W

• Z

Which of the following numbers is considered an integer?

• Pi

• 1/2

• 0.99...

• -3

Which of the following is a characteristic of rational numbers?

• They never end

• They have a repeating pattern

• They cannot be written as a fraction

• They are only positive numbers

What does it mean if a number is 'irrational'?

• It has a repeating decimal pattern

• It is always a negative number

• It can be written as a fraction

• It never ends and has no repeating pattern