Academic coaching: Mastery of the Real Number System

Which of the following numbers is a rational number?

• √2

• 0.75

• π

• e

Identify the irrational number from the options below.

• 4/5

• 2.333...

• √3

• 8

Which of the following is a rational number?

• √(1/4)

• √2

• √(2/3)

• √π

Determine whether the number 22/7 is rational or irrational.

• Rational

• Irrational

Is the number 0.121212... rational or irrational?

• Rational

• Irrational

Choose the irrational number from the list.

• 3.14159265...

• 5.5

• -3/4

• 0.333...

Which of the following numbers is rational?

• √5

• √16

• √19

• √23

Identify the irrational number.

• 7.7777...

• 9/11

• √11

• 100

Which of these numbers is a rational number?

• e (Euler's Number)

• 0.1010010001...

• 6.283185307...

• 1.25

Select the irrational number from the options.

• 1/√2

• √(1/9)

• 2.718281828...

• 0.444...