Free Printable Square and Cubed Roots and Adding/Subtracting Radicals

1.

$5\sqrt{2}+4\sqrt{2}$

a)

$9\sqrt{4}$

b)

$9\sqrt{2}$

c)

$20\sqrt{2}$

2.

a)

17√2

b)

9√1

c)

9

d)

9√2

3.

a)

√18 + 11√2

b)

22√5

c)

11√20

d)

14√2

4.

$5\sqrt{200}-5\sqrt{8}$

a)

$60\sqrt{2}$

b)

$\sqrt{8}$

c)

$40\sqrt{2}$

5.

What do we call the number inside of the radical?

a)

index

b)

radicand

c)

square root

d)

radical

6.

The √40 is between which two integers?

a)

7 & 8

b)

6 & 7

c)

5 & 6

d)

4 & 5

7.

Solve for x when x³ = 1/8

a)

x = 2

b)

x = 1/2

c)

x = 4

d)

x = 16

8.

what is

\sqrt{5625}

a)

55

b)

75

c)

95

d)

30

9.

The number inside the radical is called...

a)

the index

b)

the radical sign

c)

the radicand

d)

none

10.

In the picture, the "3" is called...

a)

the index

b)

the radical sign

c)

the radicand

d)

none

11.

What is the cube root of 27?

a)

9

b)

3

c)

-3

d)

-9

12.

$\sqrt{12}+5\sqrt{18}+2\sqrt{27}$

a)

$8\sqrt{3}+15\sqrt{2}$

b)

$8\sqrt{2}+15\sqrt{3}$

c)

$25\sqrt{2}$

13.

a)

13√3

b)

10√30

c)

13√6

d)

11√3

14.

√5 + √20

a)

5

b)

25

c)

3√5

d)

2√3

15.

Which number is NOT a perfect square?

a)

196

b)

169

c)

121

d)

132

Square and Cubed Roots and Adding/Subtracting Radicals

Total questions: 15

Worksheet time: 26mins

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