Free Printable Teacher Zhen-Extracting Square Roots

1.

What is the

\sqrt{36}

?

a)

$\pm$ 5

b)

$\pm$ 6

c)

$\pm$ 7

d)

$\pm$ 8

2.

What is the value of a in $2x^2+\ x-3=0$

a)

2

b)

1

c)

-3

d)

-2

3.

What is the possible value of x in $x^{2^{ }}-9=0$

a)

$\pm$ 2

b)

$\pm$ 1

c)

$\pm$ 3

d)

$\pm$ 9

4.

What is the possible value of x in $x^{2^{ }}=100$

a)

$\pm$ 20

b)

$\pm$ 10

c)

$\pm$ 25

d)

$\pm$ 100

5.

What is the possible value of x in $x^{2^{ }}-4=0$

a)

$\pm$ 2

b)

$\pm$ 1

c)

$\pm$ 3

d)

$\pm$ 9

6.

What is the numerical coefficient/value of b in $2x^2+\ x-3=0$

a)

2

b)

1

c)

-3

d)

-2

7.

The area of a square lot is $144m^2$ , what is the length of each sides?

a)

22

b)

11

c)

12

d)

13

8.

The length of each sides of a square box is (x+2)m, what is it's area?

a)

$x^2+6x+4$ $m^2$

b)

$x^2+2x+4$ $m^2$

c)

$x^2+5x+4$ $m^2$

d)

$x^2+4x+4$ $m^2$

9.

What is the possible value of x in $x^{2^{ }}-81=0$

a)

$\pm$ 2

b)

$\pm$ 1

c)

$\pm$ 3

d)

$\pm$ 9

10.

What is the possible value of x in $x^{2^{ }}-1=0$

a)

$\pm$ 2

b)

$\pm$ 1

c)

$\pm$ 3

d)

$\pm$ 9

Teacher Zhen-Extracting Square Roots

Total questions: 10

Worksheet time: 5mins

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