Tutorial - Simplifying Expressions with Complex numbers ex 3, 5i(3 + 2i)(8 + 3i)

Tutorial - Simplifying Expressions with Complex numbers ex 3, 5i(3 + 2i)(8 + 3i)

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

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The video tutorial explains how to multiply complex numbers using the distributive property and the box method. It begins with an introduction to complex multiplication, followed by applying the distributive property to multiply complex numbers. The tutorial then demonstrates rewriting terms in complex form and using the box method for multiplication. Finally, it covers combining like terms to simplify the result.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What property is primarily used to multiply complex numbers in the initial steps?

Identity Property

Commutative Property

Distributive Property

Associative Property

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the value of i squared in complex numbers?

1

-1

0

i

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which method is suggested for organizing terms when multiplying binomials?

Elimination Method

Substitution Method

Graph Method

Box Method

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of multiplying 8 by -10 in the box method?

-80

88

80

-88

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you combine the real and imaginary parts after multiplication?

Add them directly

Multiply them together

Subtract the imaginary from the real

Combine like terms separately