HW: Flashcardizz: Complex numbers

HW: Flashcardizz: Complex numbers

Assessment

Flashcard

English

1st - 5th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a complex number?

Back

A complex number is a number that has a real part and an imaginary part, usually written in the form a + bi, where a is the real part and b is the imaginary part.

2.

FLASHCARD QUESTION

Front

What does 'i' represent in complex numbers?

Back

The letter 'i' represents the imaginary unit, which is defined as the square root of -1.

3.

FLASHCARD QUESTION

Front

What is the value of i^2?

Back

The value of i^2 is -1.

4.

FLASHCARD QUESTION

Front

How do you simplify the square root of a negative number?

Back

5.

FLASHCARD QUESTION

Front

What is the product of two imaginary numbers, like (3i)(2i)?

Back

The product of two imaginary numbers is a real number. For example, (3i)(2i) = 6i^2 = 6(-1) = -6.

6.

FLASHCARD QUESTION

Front

What is the simplified form of (-6i)(3i)?

Back

The simplified form is 18.

7.

FLASHCARD QUESTION

Front

What is the result of multiplying a complex number by a real number?

Back

The result is another complex number. For example, (2 + 3i)(4) = 8 + 12i.

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