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Not feeling ready for this? Check out Get ready for Precalculus.

- Powers of the imaginary unitGet 3 of 4 questions to level up!
- Simplify roots of negative numbersGet 3 of 4 questions to level up!

- Parts of complex numbersGet 3 of 4 questions to level up!
- Classify complex numbersGet 3 of 4 questions to level up!

- Plot numbers on the complex planeGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 500 Mastery points

- Add & subtract complex numbersGet 3 of 4 questions to level up!
- Graphically add & subtract complex numbers Get 3 of 4 questions to level up!

- Distance of complex numbersGet 3 of 4 questions to level up!
- Midpoint of complex numbersGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 400 Mastery points

- Multiply complex numbers (basic)Get 3 of 4 questions to level up!
- Multiply complex numbersGet 3 of 4 questions to level up!

- Complex number conjugatesGet 3 of 4 questions to level up!
- Divide complex numbersGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 400 Mastery points

- Modulus (absolute value) of complex numbersGet 3 of 4 questions to level up!
- Angle of complex numbersGet 3 of 4 questions to level up!
- Complex numbers from absolute value & angleGet 3 of 4 questions to level up!

- Polar & rectangular forms of complex numbersGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 400 Mastery points

- Multiply & divide complex numbers in polar formGet 3 of 4 questions to level up!
- Powers of complex numbersGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 200 Mastery points

Up next for you:#### Unit test

Level up on all the skills in this unit and collect up to 1900 Mastery points!