Principal Roots

Positive root is the _________________ of a real number.

• Principal root

• Identified root

• Exact root

• Proper root

A principal root is rational if it is

• Non-perfect square number

• Perfect square number

• Non repeating non terminating

• Repeating number

Tags

CCSS.8.NS.A.1

Tell whether the principal root the given number is a rational or irrational.

• rational

• irrational

Tags

CCSS.HSN.RN.B.3

Tell whether the principal root of the given number is rational or irrational.

• rational

• irrational

What are the two square roots of 121 and which is the principal root?

• Square roots are 11 and -11.

  Principal root is 11.

• Square roots are 11 and -11.

  Principal root is -11.

• Square roots are 12 and -11.

  Principal root is -11.

• Square roots are 12 and -12.

  Principal root is 12.

Tags

CCSS.8.EE.A.2

What is the principal square root of 49?

• 6

• 7

• 8

• 9

Tags

CCSS.8.EE.A.2

• 11

• 12

• 13

• 14

Tags

CCSS.8.EE.A.2

• 25

• 45

• 35

• 15

Tags

CCSS.8.EE.A.2

Square root of 16 is....

• 8

• 4

• 2

• 3

Tags

CCSS.8.EE.A.2

The square root of 256 is...

• 15

• 18

• 13

• 16

Tags

CCSS.8.EE.A.2