Number and Type of Root

√3  

• rational

• irrational

Which of the following best describes an imaginary number?

• A fraction

• The square root of any number

• The square root of a positive number

• The square root of a negative number

Evaluate √72. Round your answer to the nearest Whole Number. 

• 7.2

• 7

• 8

• 9

Approximate the following irrational number to the nearest hundredth without using a calculator.
The square root of 32

• 5.33

• 4.5

• 8

• 5.66

Find the 5th root of - 32

What is another word for zeros?

• y-intercepts

• roots

• vertex

• axis of symmetry

Which of the following is irrational?

• Square root of 81

• Square root of 9

• Square root of 144

• Square root of 12

Tags

7.2

Classify the number: √121

• natural, whole, integer, rational, real

• irrational, real

• whole, integer, rational, real

• rational, real

Tags

7.2