Square Root Flashcards

(32 cards)

1
Q

What is the square root of 16?

A

4

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2
Q

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

A

False

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3
Q

Fill in the blank: The square root of x is written as ______.

A

√x

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4
Q

What is the square root of 25?

A

5

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5
Q

Which of the following is the square root of 36? A) 6 B) 7 C) 5 D) 8

A

A) 6

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6
Q

What is the square of 8?

A

64

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7
Q

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

A

True

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8
Q

Calculate the square root of 49.

A

7

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9
Q

What is the principal square root of 81?

A

9

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10
Q

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

A

1

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11
Q

What is the value of √(x^2)?

A

|x|

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12
Q

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

A

True

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13
Q

What is the approximate value of √10?

A

3.16

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14
Q

Which of the following numbers is not a perfect square? A) 4 B) 7 C) 9 D) 16

A

B) 7

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15
Q

What is the square root of 144?

A

12

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16
Q

Fill in the blank: The square root of a number can be found using the ______ method.

A

factorization

17
Q

True or False: √(a*b) = √a * √b for any positive a and b.

18
Q

What is the square root of 64?

19
Q

Calculate the square root of 121.

20
Q

What is the square root of 256?

21
Q

Fill in the blank: The square root of x^2 + y^2 cannot be simplified without knowing ______.

A

the values of x and y

22
Q

True or False: √(x^2 + y^2) = √x + √y.

23
Q

Which of the following is a rational number? A) √2 B) √4 C) √3 D) √5

24
Q

What is the value of √(16/9)?

25
Fill in the blank: The square root of a fraction is equal to the square root of the numerator divided by the square root of the ______.
denominator
26
What is the square root of 225?
15
27
True or False: The square root of 100 is greater than 9.
True
28
Calculate the value of √(x^2 + 2x + 1).
x + 1
29
What is the square root of 1/4?
1/2
30
Fill in the blank: The square root of 49 is ______.
7
31
What is the square root of 400?
20
32
True or False: All square roots are positive.
False