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Square Roots and Powers Quiz

Total questions: 8

Worksheet time: 4mins

Name
Class
Date
1.

What is the square root of 144?

a)

10

b)

12

c)

14

d)

16

2.

If x=5\sqrt{x} = 5 , what is the value of xx ?

a)

10

b)

15

c)

25

d)

30

3.

Which of the following properties is true for square roots?

a)

ab=a+b\sqrt{a \cdot b} = \sqrt{a} + \sqrt{b}

b)

ab=ab\sqrt{a \cdot b} = \sqrt{a} \cdot \sqrt{b}

c)

a+b=a+b\sqrt{a + b} = \sqrt{a} + \sqrt{b}

d)

a+b=ab\sqrt{a + b} = \sqrt{a} \cdot \sqrt{b}

4.

Solve the equation: x+9=7\sqrt{x + 9} = 7 .

a)

16

b)

40

c)

49

d)

58

5.

What is 10310^3 in standard form?

a)

10

b)

100

c)

1000

d)

10000

6.

Express 0.00010.0001 in powers of ten notation.

a)

10110^{-1}

b)

10210^{-2}

c)

10310^{-3}

d)

10410^{-4}

7.

What is the value of 10210^{-2} ?

a)

0.01

b)

0.1

c)

1

d)

10

8.

If 10x=1000010^x = 10000 , what is the value of xx ?

a)

2

b)

3

c)

4

d)

5