Chapter 9: Polar Coordinates and Complex Numbers

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Graph R(-3, -145°).

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• (5, -30°)

• (5, 330°)

• (5, -240°)

• (5, -120°)

Graph the polar equation r = 2.5.

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• limacon

• cardioid

• circle

• rose

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• circle

• cardioid

• rose

• spiral of Archimedes

Find the rectangular coordinates of the point Q(-5, -35°).

• (4.10, 2.87)

• (-4.10, 2.87)

• (-4.10, -2.87)

• (4.10, -2.87)

Find the polar coordinates of R(-5, -7).

• (8.60, 0.95)

• (4.90, 4.09)

• (4.90, 0.95)

• (8.60, 4.09)