Free Printable Extracting square roots

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Worksheets

Extracting square roots

Total questions: 8

Worksheet time: 4mins

Name

Class

Date

1.

What is the $\sqrt{169}$ ?

a)

12

b)

13

c)

14

d)

15

2.

What is 6 ²?

a)

25

b)

36

c)

49

d)

64

3.

Solve: x²= 256, what is the value of x?

a)

15

b)

16

c)

17

d)

18

4.

Solve: 2m² = 50, what is the value of m?

a)

5

b)

6

c)

7

d)

8

5.

Solve: x² - 225 = 0

a)

14

b)

15

c)

16

d)

17

6.

Solve: 4x²- 225 = 0

a)

2/15

b)

15/2

c)

2/5

d)

5/2

7.

Solve: (k+7)²= 289

a)

10 and -23

b)

-10 and 23

c)

-10 and -23

d)

10 and 23

8.

What is the $\sqrt{-16}$ ?

a)

4

b)

-4

c)

4i

d)

-4i

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