Exercises: Represent Operations Geometrically on the Complex Plane

Show your work. Use exact values where possible. For polar form, express angles in degrees.

Grade 9·22 problems·~40 min·Common Core Math - HS Number and Quantity·standard·hsn-cn-b-5

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Warm-Up: Review What You Know

What is the argument (in degrees) of the complex number $-1 + \sqrt{3}\,i$ ?

$60°$

$120°$

$-60°$

$240°$