Understanding Powers of i

Understanding Powers of i

Assessment

Interactive Video

Mathematics, Science

8th - 10th Grade

Hard

Created by

Aiden Montgomery

FREE Resource

The video tutorial explains how to simplify powers of the imaginary unit 'I' by identifying the number of I squared (I^2) factors in a given power. For example, I to the 53rd power is simplified by dividing 53 by 2, resulting in 26 factors of I^2 with a remainder of 1, leading to a simplification of I. Similarly, I to the 84th power is simplified to 1, as it is an even power. The tutorial concludes with a mention of further examples in the next part.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in simplifying powers of i, as demonstrated with i^53?

Divide the exponent by 2

Add 1 to the exponent

Multiply the exponent by 2

Subtract 1 from the exponent

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the example of i^53, what does the remainder indicate?

The base of the power

The total power of i

The number of extra i factors

The number of i squared factors

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is i^84 expressed in terms of i squared?

As the 21st power of i squared

As the 84th power of i squared

As the 42nd power of i squared

As the 43rd power of i squared

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of any even power of i squared?

1

-1

i

0

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the final section of the video mention?

A quiz on the current topic

A summary of the examples

Introduction to a new topic

More examples in the next part