How to write the quotient of complex numbers in standard form

How to write the quotient of complex numbers in standard form

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

Created by

Quizizz Content

FREE Resource

The video tutorial explains how to write a quotient of complex numbers in standard form. It begins by introducing the concept and the need to eliminate the denominator using its conjugate. The tutorial then demonstrates the multiplication of conjugates, highlighting the cancellation of middle terms. It proceeds to simplify the expression by combining like terms and applying algebraic rules, ultimately deriving the final solution in standard form.

Read more

5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in writing a quotient of complex numbers in standard form?

Divide the numerator by the denominator

Add the numerator and denominator

Multiply by the conjugate of the denominator

Subtract the numerator from the denominator

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When multiplying by the conjugate, what happens to the middle terms?

They cancel out

They double

They become imaginary

They remain unchanged

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of multiplying 6 by 2i in the numerator?

12i

6i

12

6

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does the imaginary unit 'i' affect the simplification process?

It is added to the real part

It is squared to become -1

It is multiplied by 2

It is ignored

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final result of the quotient in standard form?

3 + 2i

2 + 4i

4 + i

5 + 3i