Complex Numbers

By the end of this section I can...

-perform operations with and simplify complex numbers

-find the conjugate of a complex number

Khan Academy Videos and Interactive Practice:

Introduction to imaginary numbers

https://www.khanacademy.org/math/algebra2/introduction-to-complex-numbers-algebra-2/the-imaginary-numbers-algebra-2/v/introduction-to-i-and-imaginary-numbers

https://www.khanacademy.org/math/algebra2/introduction-to-complex-numbers-algebra-2/the-imaginary-numbers-algebra-2/v/calculating-i-raised-to-arbitrary-exponents

https://www.khanacademy.org/math/algebra2/introduction-to-complex-numbers-algebra-2/the-imaginary-numbers-algebra-2/e/imaginary_unit_powers

https://www.khanacademy.org/math/algebra2/introduction-to-complex-numbers-algebra-2/the-imaginary-numbers-algebra-2/v/imaginary-roots-of-negative-numbers

https://www.khanacademy.org/math/algebra2/introduction-to-complex-numbers-algebra-2/the-imaginary-numbers-algebra-2/e/simplify-square-roots-of-negative-numbers

Complex Numbers

https://www.khanacademy.org/math/algebra2/introduction-to-complex-numbers-algebra-2/the-complex-numbers-algebra-2/v/complex-number-intro

https://www.khanacademy.org/math/algebra2/introduction-to-complex-numbers-algebra-2/the-complex-numbers-algebra-2/e/real-and-imaginary-parts-of-complex-numbers

https://www.khanacademy.org/math/algebra2/introduction-to-complex-numbers-algebra-2/the-complex-numbers-algebra-2/e/the-imaginary-unit-and-complex-numbers

Operations with Complex Numbers

https://www.khanacademy.org/math/algebra2/introduction-to-complex-numbers-algebra-2/adding-and-subtracting-complex-numbers-algebra-2/v/adding-complex-numbers

https://www.khanacademy.org/math/algebra2/introduction-to-complex-numbers-algebra-2/adding-and-subtracting-complex-numbers-algebra-2/v/subtracting-complex-numbers

https://www.khanacademy.org/math/algebra2/introduction-to-complex-numbers-algebra-2/adding-and-subtracting-complex-numbers-algebra-2/e/adding_and_subtracting_complex_numbers

https://www.khanacademy.org/math/algebra2/introduction-to-complex-numbers-algebra-2/multiplying-complex-numbers-algebra-2/e/multiply-complex-numbers-by-real-or-imaginary-numbers

https://www.khanacademy.org/math/algebra2/introduction-to-complex-numbers-algebra-2/multiplying-complex-numbers-algebra-2/v/multiplying-complex-numbers

https://www.khanacademy.org/math/algebra2/introduction-to-complex-numbers-algebra-2/multiplying-complex-numbers-algebra-2/e/multiplying_complex_numbers

Conjugates

https://www.khanacademy.org/math/algebra2/introduction-to-complex-numbers-algebra-2/complex-conjugates-and-dividing-complex-numbers-algebra-2/v/complex-conjugates

https://www.khanacademy.org/math/algebra2/introduction-to-complex-numbers-algebra-2/complex-conjugates-and-dividing-complex-numbers-algebra-2/v/complex-conjugates-example

https://www.khanacademy.org/math/algebra2/introduction-to-complex-numbers-algebra-2/complex-conjugates-and-dividing-complex-numbers-algebra-2/e/find-conjugates-of-complex-numbers

https://www.khanacademy.org/math/algebra2/introduction-to-complex-numbers-algebra-2/complex-conjugates-and-dividing-complex-numbers-algebra-2/v/dividing-complex-numbers

https://www.khanacademy.org/math/algebra2/introduction-to-complex-numbers-algebra-2/complex-conjugates-and-dividing-complex-numbers-algebra-2/e/dividing_complex_numbers

Other Resources: