Understanding Complex Numbers and Polynomials

Understanding Complex Numbers and Polynomials

Assessment

Interactive Video

Mathematics

11th - 12th Grade

Hard

Created by

Ethan Morris

FREE Resource

The video tutorial explores the concept of complex numbers, focusing on their components and the challenge of finding their square roots. It introduces the idea of naming the square root of a complex number using Omega and forms a polynomial in Omega. The fundamental theorem of algebra is applied to demonstrate that the solutions to this polynomial are also complex numbers, emphasizing the importance of understanding complex solutions.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the two components of a complex number?

Positive and negative parts

Numerator and denominator

Real and imaginary parts

Whole and fractional parts

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the traditional letter used for complex numbers?

Y

X

Z

W

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the real part of a complex number denoted by?

A

Y

X

B

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the imaginary part of a complex number denoted by?

Y

X

B

A

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which Greek letter is used to denote the square root of a complex number in this tutorial?

Beta

Omega

Alpha

Gamma

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the significance of the polynomial in Omega?

It is a cubic equation in Omega

It is a quadratic equation in Omega

It has no significance

It represents a linear equation

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the coefficient of Omega squared in the polynomial discussed?

Zero

One

Two

Z

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