Complex Numbers Practice Questions
5 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

-\frac{2}{3 - i} \left(\frac{5}{i}\right) = ______

1 - \frac{10}{3}

\left(\frac{1}{2} - 3i\right) - \left(2 - \frac{4}{3} i\right) = ______

-\frac{3}{2} - \frac{5}{3} i

\frac{2 - 3i}{-3 + 2i} = ______

-\frac{12}{13} - \frac{1}{13} i

\left(-\frac{1}{2} + i\right) \left(\frac{2}{i}\right) = ______

<p>1 + 1 i</p> Signup and view all the answers

5 \left(3 - 2i\right) \cdot \frac{1}{i - 2} = ______

<p>-3 - \frac{10}{3} i</p> Signup and view all the answers

Flashcards

Complex Number Simplification

Converting complex numbers to the standard form a ± bi, where a and b are real numbers, and i is the imaginary unit (i² = -1).

Subtracting Complex Numbers

Subtract the real parts and the imaginary parts separately to get the difference of two complex numbers.

Dividing Complex Numbers

To divide two complex numbers, multiply the numerator and denominator by the complex conjugate of the denominator.

Multiplying Complex Numbers

Use the distributive property (FOIL) to multiply two complex numbers, treating them as binomials.

Signup and view all the flashcards

Complex Number Multiplication by a Scalar

Distribute the scalar into each component of the complex number.

Signup and view all the flashcards

Study Notes

Practice Questions

  • Simplify the following expressions involving complex numbers:
    • ( -2 / (3 - i) ) * ( 5 / i ) =
    • ( (1/2) - 3i ) - ( 3 - (2/3)i ) =
    • ( 2 - 3i ) / ( -3 + 2i ) =
    • √(-1/2) - (2/3)i =
    • ( i - 1 / i2 ) * ( i + 1 ) =
    • 3i3 ( 1 - 2i ) - 3i =
    • ( -1/2 + i ) * ( 2 / i ) =
    • 5 ( 3 - 2i ) * ( -1/2 + i ) =
    • ( 1 - 3i ) * ( 1 + 3i ) / i =
    • ( 2 - 4i )2 / 2 =

Studying That Suits You

Use AI to generate personalized quizzes and flashcards to suit your learning preferences.

Quiz Team

Description

Test your skills in simplifying complex number expressions with this quiz. Each question challenges you to perform various operations involving addition, multiplication, and division of complex numbers. Perfect for reinforcing your understanding of complex number calculations.

More Like This

Complex Numbers in Mathematics Quiz
5 questions
Algebra class 10 - Complex Numbers
24 questions

Algebra class 10 - Complex Numbers

SuccessfulVerdelite6023 avatar
SuccessfulVerdelite6023
Algebra 2: Complex Numbers Flashcards
7 questions
Algebra: Real and Complex Numbers
42 questions
Use Quizgecko on...
Browser
Browser