Equations with Square Roots

√121

• 12

• 10

• 11

• 3

√64

• 3

• 8

• 7

• 6

Estimate the square root.

• 4.2

• 4

• 4.6

• 5

Which of the following is the best approximation of $\sqrt{54}$ ?

• 7.3

• 7.8

• 8

• 7

Write an equation for this phrase, "The square root of x is equal to 3."

• x² = 3

• x² = 9

• √x = 3

• √x = 9

Which of the following is the best approximation of $\sqrt{70}$ ?

• 8.4

• 8.7

• 8

• 9

Which of the following is the best approximation of $\sqrt{45}$ ?

• 6.7

• 6.2

• 6

• 7

The √20 is between which two integers?

• 2 & 3

• 3 & 4

• 4 & 5

• 5 & 6

√49

• 7

• 7²

• 14²

• 14

√ 64

• 4

• 6

• 9

• 8