Rational vs Irrational Numbers

What is a rational number ?

• A rational number  is a number that cannot be written as a fraction.
• A rational number is a number that can be written as a ratio.
• A rational number cannot be a repeating  decimal.

What type of number is π ?

• Rational
• Irrational

Which number is irrational?

• 9.6
• √45
• 3/8
• 3.4 x 10 ⁵

Which number is a rational number ?

• 1/4
• π
• √3
• ∛25

Which of the following numbers is irrational?

• √8
• ¾
• 2
• -1.325

Which of the following is rational?

• .211232112421125. . . .
• π
• √25
• √12

Which of the following numbers is rational?

• √8
• √16
• √50
• √75

Which number is an irrational number?

• 2.5
• 5.72314.....
• -17
• 1/2

Which of the following is a rational number?

• π
• √8
• .56565656....
• √10

• Rational

• Irrational