 Reals, Roots, and Radicals Oh My!
2 months ago
mcheek13
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Practice 20 QuestionsShow answers
• Question 1
30 seconds
Q.

Evaluate:  $\sqrt{256}$

$\sqrt{16}$

$16^2$

16

128

• Question 2
30 seconds
Q.

Evaluate:  $\sqrt{576}$

23

24

25

26

• Question 3
30 seconds
Q.

Evaluate:  $17^2$

289

34

$\sqrt{17}$

256

• Question 4
30 seconds
Q.

What is the cube root of 27?

3

9

273

$\sqrt{27}$

• Question 5
45 seconds
Q.

Evaluate: 63

18

108

216

36

• Question 6
60 seconds
Q.

Solve for x: x2 = 36

x = 6

x = 6 and -6

x = 18 and -18

x = -6

• Question 7
45 seconds
Q.

Evaluate:  $4\sqrt{49}$

449

47

196

28

• Question 8
60 seconds
Q.

Evaluate:  $\sqrt{\frac{4}{9}}$

$\frac{2}{3}$

$\frac{16}{81}$

$\frac{4}{9}$

• Question 9
45 seconds
Q.

Solve for x:  $x^{2\ }=12$

$x\ =\ \pm6$

$x\ =\ \pm\sqrt{12}$

$\pm24$

$\pm144$

• Question 10
60 seconds
Q.

Approximate to the nearest tenth.  $\sqrt{19}$

4.1

4.4

4.6

4.8

• Question 11
45 seconds
Q.

Evaluate:  $4^3$

12

64

48

16

• Question 12
60 seconds
Q.

Determine which radical is approximately 5.8

$\sqrt{25}$

$\sqrt{28}$

$\sqrt{34}$

$\sqrt{36}$

• Question 13
30 seconds
Q.

Determine which number is a perfect square.

8

14

16

18

• Question 14
30 seconds
Q.

Determine which number is a perfect cube.

3

6

8

9

• Question 15
30 seconds
Q.

Evaluate:  $-2\sqrt{64}$

-28

-16

16

28

• Question 16
60 seconds
Q.

Evaluate:  $\left(\frac{4}{5}\right)^2$

$\frac{8}{10}$

$\frac{16}{25}$

$\frac{8}{25}$

$\sqrt{\frac{4}{5}}$

• Question 17
60 seconds
Q.

The area of a square is  $49\ ft^2$   . What is the length of one side?

$12.25\ feet$

$7\ feet$

$7^2\ feet$

$\sqrt{7}\ feet$

• Question 18
60 seconds
Q.

The volume of a cube is 125 cubic inches. What is the length of one edge?

$25\ inches$

$5^{3\ }inches$

$5\ inches$

$31.25\ inches$

• Question 19
60 seconds
Q.

The area of a square is 36 cm2. What is the length of one side of the square?

9 cm

18 cm

6 cm

24 cm

• Question 20
60 seconds
Q.

The area of a square is 36 cm2. What is the perimeter of the square?