Square Roots and Imaginary Numbers

Square Roots and Imaginary Numbers

Assessment

Interactive Video

Mathematics

6th - 8th Grade

Hard

Created by

Thomas White

FREE Resource

This video tutorial explains how to simplify square roots through six examples, covering both perfect and non-perfect squares, as well as negative numbers and fractions. The instructor uses properties of square roots and introduces the concept of imaginary numbers for negative roots. Viewers are encouraged to practice the techniques demonstrated and engage with the content by suggesting future topics.

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12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main topic discussed in the video?

Solving quadratic equations

Simplifying square roots

Graphing linear functions

Calculating derivatives

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the square root of 144?

10

11

12

13

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which property of square roots is used to simplify the square root of 18?

Square root of a sum

Square root of a product

Square root of a difference

Square root of a quotient

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the simplified form of the square root of 18?

5√2

4√2

3√2

2√2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the imaginary unit 'i' equivalent to?

Square root of 0

Square root of 1

Square root of -1

Square root of 2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the simplified form of the square root of -16?

8

16i

4i

4

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is the square root of -900 simplified using the imaginary unit?

10i

20i

30i

40i

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