Finding Square Root Inverses Algebraically

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

What is the square root of 289?

• 13

• 140

• 17

• 18

Tags

CCSS.8.EE.A.2

What is the square root of 324?

• 16

• 17

• 18

• 19

Tags

CCSS.8.EE.A.2

• 5

• 33

• 85

• 21

Tags

CCSS.HSA.REI.A.2

• 1

• 3

• 224

• 226

Tags

CCSS.HSA.REI.A.2

• 5

• 2

• 4

• 3

Square roots are the opposite of ____________.

• Cube Roots

• Squaring

• Multiplication

• Absolute Value

Tags

CCSS.8.EE.A.2

The area of a square is 36 cm².  What is the length of one side?

• 6 cm

• 24 cm

• 9 cm

• 9 cm

Tags

CCSS.8.EE.A.2

A perfect square is a number whose square root is ___________.

• even

• a never-ending

  (non-terminating) decimal

• rational

• odd

Tags

CCSS.8.EE.A.2