Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

Math > Square Roots > Flashcards

Square Roots Flashcards

1
Q

What is the square root of 16?

A

4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

True or False: The square root of a negative number is a real number.

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Fill in the blank: The square root of x^2 is _____.

A

|x|

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is the square root of 25?

A

5

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is the symbol for square root?

A

√

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

True or False: The square root of 0 is 0.

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Calculate the square root of 81.

A

9

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is the principal square root of 36?

A

6

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

If x = 49, what is √x?

A

7

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is the square root of 144?

A

12

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Fill in the blank: The square root of 1 is _____.

A

1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

True or False: The square root of a perfect square is always an integer.

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is the square root of 64?

A

8

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Calculate √(25 + 7).

A

√32 or approximately 5.66

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is the square root of 169?

A

13

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Fill in the blank: The square root of 4 is _____.

A

2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

True or False: The square root of 2 is a rational number.

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What is the approximate value of √10?

A

3.16

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

If a = 16, what is √a?

A

4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Calculate the square root of 225.

A

15

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

What is the square root of 81?

A

9

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Fill in the blank: The square root of x^2 + y^2 is _____ when x = 3 and y = 4.

A

5

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

What is the square root of 49?

A

7

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

True or False: The square root of a fraction is the square root of the numerator divided by the square root of the denominator.

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
What is the value of √(9 * 16)?
12
26
Calculate √(36/9).
2
27
If x = 100, what is √x?
10
28
What is the square root of 256?
16
29
Fill in the blank: The square root of 0.25 is _____.
0.5
30
True or False: The square root of 121 is greater than 10.
False
31
What is the square root of 400?
20
32
Calculate √(16 * 25).
20
33
What is the square root of 1?
1
34
Fill in the blank: The square root of 256 is _____.
16
35
What is the square root of 49.76?
7.06
36
True or False: The square root of an even number is always an even number.
False
37
What is the square root of 196?
14
38
Calculate the square root of 0.
0
39
What is the square root of 225?
15
40
Fill in the blank: The square root of a number is _____ if the number is positive.
real
41
True or False: The square root of 10 is approximately 3.16.
True
42
What is the square root of 361?
19
43
Calculate √(64/16).
2
44
What is the square root of 289?
17
45
Fill in the blank: The square root of 144 is _____.
12
46
True or False: The square root of 50 is an integer.
False
47
What is the square root of 1024?
32
48
Calculate √(81 + 16).
√97 or approximately 9.85
49
What is the square root of 625?
25
50
Fill in the blank: The square root of 36 is _____.
6
51
True or False: Every positive number has two square roots.
True
52
Calculate √(121 * 4).
22
53
Fill in the blank: The square root of 25 is _____.
5
54
True or False: The square root of a number is always non-negative.
True
55
What is the square root of 484?
22
56
Calculate √(100 + 400).
√500 or approximately 22.36
57
What is the square root of 529?
23
58
Fill in the blank: The square root of 9 is _____.
3
59
True or False: The square root of 2 is approximately 1.41.
True
60
What is the square root of 676?
26
61
Calculate √(144/36).
2
62
Fill in the blank: The square root of 64 is _____.
8
63
True or False: The square root of 125 is an integer.
False
64
What is the square root of 729?
27
65
Calculate √(49 * 4).
14
66
What is the square root of 900?
30
67
True or False: The square root of 16 is greater than 3.
True
68
What is the square root of 2500?
50
69
Calculate √(36 + 64).
√100 or 10

Math (5 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions