Rational or Irrational

Multiple Choice

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.

Multiple Choice

Which of the following is rational?

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

Multiple Choice

Which number is a rational number ?

• 1/4
• π
• √3
• ∛25

Multiple Choice

Irrational Numbers....

• cannot be represented as a simple fraction
• can be represented as a fraction
• can be a repeating decimal

Multiple Choice

What type of number is π ?

• Rational
• Irrational

Multiple Choice

Which of the following numbers is irrational?

• √8
• ¾
• 2
• -1.325

Multiple Choice

Is the following number rational or irrational? (π / 2)

• Rational
• Irrational

Multiple Choice

Is -5/8 a rational number?

• yes
• no

Multiple Choice

Which of the following numbers is rational?

• √8
• √16
• √50
• √75

Multiple Choice

Which number is a rational number?

• 2.25
• -8.78654684598.....
• Square root of 99
• 3.14...

Multiple Choice

Which number is an irrational number?

• 2.5
• 5.72314.....
• -17
• 1/2

Multiple Choice

Which of the following is a rational number? Hint: look carefully!!!

• π
• √8
• .56565656....
• √10

Multiple Choice

5/2 $$Rational\ or\ irrational?$$  

• Rational
• Irrational

Multiple Choice

4.032 $$Rational\ or\ irrational?$$  

• Rational 
• Irrational

Multiple Choice

√31 $$Rational\ or\ irrational?$$  

• Rational
• Irrational

Multiple Choice

Which number is rational?

• ∛51
• √94
• ∛12
• √64

Multiple Choice

Any number multiplied by pi is ______.

• Rational
• Irrational

Poll

I can identify rational and irrational numbers?

• Always

• Sometimes

• Never