Real numbers video quiz

What symbol is used to represent real numbers?

• Z

• N

• Q

• R

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

• Pi (π)

• Square root of 2

• 1.333...

• Square root of 16

What symbol is used to represent integers?

• I

• Z

• Q

• R

Which of the following numbers is considered a whole number?

• 0

• 2.5

• -3

• Pi (π)

What are natural numbers?

• Positive integers including zero

• All rational numbers

• All integers

• Positive integers excluding zero

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

• 100

• 2/3

• 0.75

• Pi (π)

What does it mean if a number is rational?

• It is a whole number

• It has an infinite number of decimals

• It cannot be expressed as a fraction

• It can be expressed as a fraction

Which set of numbers includes -2?

• Irrational numbers

• Whole numbers

• Integers

• Natural numbers

What is the variable used to represent rational numbers?

• R

• Q

• Z

• N

Which of the following numbers is not a natural number?

• 0

• 1

• 2

• 3