Chapter 1 review

Which number is rational below?

• √20
• √64
• 6π
• √7

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 fraction.
• A rational number cannot be a repeating  decimal.

What type of number is π ?

• Rational
• Irrational

Which number is a rational number ?

• 1/4
• π
• √3
• ∛25

-17.565

• Rational
• Irrational

List the following numbers from least to greatest:
-64 , 3.5 , √27 , 6.666...

• -64 , 3.5 , √27 , 6.666...
• 3.5 , √27 , 6.666..., -64
• 3.5, -64, √27, 6.666...
• 6.666, √27, -64, 3.5

Point B could represent which of the following numbers?

• √24
• √30
• √35
• √42

Which of the following numbers is rational?

• √8
• √16
• √50
• √75

Compare.

√52 or 6.9

• <

• >

• =

Between which if these does √27 lay on a number line?

• 5 and 6

• 6 and 7

• 4 and 5