Math 678 Mid-Term Review

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

Identify 5.4 as rational or irrational

• Irrational number

• Rational number

√7

• Rational 
• Irrational

√25

• Rational
• Irrational

-17.565

• Rational
• Irrational

.141414141414...

• Rational 
• Irrational 

The decimal of an irrational number doesn't repeat with a pattern.

• true
• false

The √98 falls between what two numbers on a number line?

• 10 and 11
• 11 and 12
• 9 and 10
• 90 and 100