Square Root of a Negative Number - Examples, Exercises and Solutions

Square Root of a Negative Number

There is no root of a negative number since any positive number raised to the second power will result in a positive number.

Suggested Topics to Practice in Advance

  1. Exponents and roots
  2. Powers
  3. Exponents for Seventh Graders
  4. The exponent of a power

Practice Square Root of a Negative Number

Exercise #1

441= \sqrt{441}=

Video Solution

Step-by-Step Solution

The root of 441 is 21.

21×21= 21\times21=

21×20+21= 21\times20+21=

420+21=441 420+21=441

Answer

21 21

Exercise #2

64= \sqrt{64}=

Video Solution

Answer

8

Exercise #3

36= \sqrt{36}=

Video Solution

Answer

6

Exercise #4

49= \sqrt{49}=

Video Solution

Answer

7

Exercise #5

Choose the largest value

Video Solution

Answer

25 \sqrt{25}

Exercise #1

121= \sqrt{121}=

Video Solution

Answer

11

Exercise #2

100= \sqrt{100}=

Video Solution

Answer

10

Exercise #3

144= \sqrt{144}=

Video Solution

Answer

12

Exercise #4

x=1 \sqrt{x}=1

Video Solution

Answer

1

Exercise #5

36= \sqrt{36}=

Video Solution

Answer

6

Exercise #1

16= \sqrt{16}=

Video Solution

Answer

4

Exercise #2

x=2 \sqrt{x}=2

Video Solution

Answer

4

Exercise #3

9= \sqrt{9}=

Video Solution

Answer

3

Exercise #4

4= \sqrt{4}=

Video Solution

Answer

2

Exercise #5

225= \sqrt{225}=

Video Solution

Answer

15

Topics learned in later sections

  1. What is a square root?