Square Roots with Multiplication

Simplify √50

• 2√5

• 25√2

• 5√2

• 10√2

Simplify √40

• 4√10

• 10√4

• 2√10

• 10√2

Square root is the inverse of ____________.

• Cube Roots

• Squaring

• Multiplication

• Absolute Value

Tags

CCSS.8.EE.A.2

Which of the following is NOT a perfect square?

• 1

• 4

• 100

• 8

Tags

CCSS.8.EE.A.2

• A
• B
• C
• D

• A
• B
• C
• D

Evaluate.

• 20

• 200

• √200

• ±20

The area of a square is 117 square meters. Which best represents the length of a side of the square? 

• 10.8 m

• 11 m

• 10 m

• 11.2 m

Tags

CCSS.8.EE.A.2

If I know the area of a square, how do I find the side length?

• I square the area.

• I divide the area by 2.

• I take the square root of the area.

• I divide the area by 4.

Tags

CCSS.8.EE.A.2

x² = 121
What does x equal?

• 11²

• 11 and -11

• 20 and 11

• 12 and 1

Tags

CCSS.8.EE.A.2