Number Sets Review

-18.95 belongs to which sets:

• integers, rational, real
• rational, real
• irrational, real
• whole, integer, rational, real

Which number is an irrational number?

• 2.5
• 5.72314.....
• -17
• 1/2

A whole number is which type of number?

• Rational 
• Irrational

A decimal that stops is which type of number? Example: 2.75

• Rational
• Irrational

The square root of 57 is ...

• rational 
• irrational 
• integer
• natural

Which number is an irrational number?

• -15 / 7
• square root of 88
• square root of 25
• 0.3333....

Which number is a rational number?

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

A whole number is which type of number?

• Rational 
• Irrational

Zero belongs to all of the following sets:

• Rational, Integer, real
• Rational, real
• Rational, Integer, Whole, real
• Rational, Integer, Whole, Natural

What type of number is π ?

• Rational
• Irrational