Tutorial - Rewriting an imaginary number when it is raised to a higher power ex 5, i^10

Tutorial - Rewriting an imaginary number when it is raised to a higher power ex 5, i^10

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

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The video tutorial explains how to simplify imaginary numbers raised to higher powers, specifically focusing on i to the 10th power. It introduces the cyclical nature of powers of i, where i to the 4th equals 1, and demonstrates how to use the power rule of exponents to simplify expressions. By breaking down i to the 10th into components of i to the 4th and i squared, the tutorial shows that i to the 10th simplifies to -1.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to the powers of 'i' when you reach the fifth power?

They continue to increase linearly.

They reset to the first power.

They become undefined.

They double in value.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which rule allows you to add the exponents when multiplying like bases?

Associative Rule

Power Rule of Exponents

Distributive Rule

Commutative Rule

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can 'i' to the 10th power be expressed using 'i' to the 4th power?

As a sum of 'i' to the 4th power and 'i' to the 6th power

As a difference of 'i' to the 4th power and 'i' squared

As a product of 'i' to the 4th power and 'i' to the 6th power

As a product of two 'i' to the 4th powers and 'i' squared

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the value of 'i' to the 4th power?

i

-1

1

0

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final simplified value of 'i' to the 10th power?

0

i

-1

1