Square Root Rational

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

• I square the area.

• I take the square root of the area.

• I divide the area by 2.

• I divide the area by 4.

Tags

CCSS.8.EE.A.2

What is the square root of 81?

• 18

• 9

• 8

• none of the above

Tags

CCSS.8.EE.A.2

What is the square root of 121?

• 12

• 11

• 21

• 10

Tags

CCSS.8.EE.A.2

Choose two perfect squares.

• 81

• 225

• 112

• 198

Tags

CCSS.8.EE.A.2

• 8

• -8

• 4

• -4

Tags

CCSS.HSA.REI.A.2

• A
• B
• C
• D

Tags

CCSS.HSA.REI.A.2

Select all valid solutions

• -1

• -7

• 1

• 7

• No solution

Tags

CCSS.HSA.REI.A.2

Select all valid solutions

• 10

• 4

• -10

• -4

• No Solution

Tags

CCSS.HSA.REI.A.2

What kind of number is this?

• rational 

• irrational 

Tags

CCSS.8.NS.A.1

Select all valid solutions

• 10

• 5

• -10

• -5

• No Solution

Tags

CCSS.HSA.REI.A.2