Real Numbers

What are real numbers?

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

(a)  

• 1/2

• 3

• Square root of 2
• 4

What is the main purpose of the real number line?

• To visualize the size and order of real numbers.

• To represent only positive numbers.

• To show only whole numbers.

• To display numbers that cannot be expressed as fractions.

Which property is NOT associated with real numbers?

(a)  

• Commutative law

• Associative law

• Distributive law

• Imaginary law

What type of numbers are natural numbers?

• Positive integers starting from 1.

• Any integer, positive or negative.

• Numbers that can be expressed as a fraction.

• Numbers that cannot be expressed as a fraction.