Chapter 9 (Precalc B)

Which are possible coordinates of the point graphed?

• (-2, 120^o)
• (-2, 60^o)
• (2, -120^o)
• (2, 60^o)

Tags

CCSS.HSN.CN.B.4

Convert the polar coordinates to rectangular form

• ( -3, 3)
• (3, 3√3)
• (-3, 3√3)
• (3, -3√3)

Tags

CCSS.HSN.CN.B.4

CCSS.HSF.TF.A.3

Convert the rectangular coordinates to polar coordinates
(6√3, 6)

• (12, π/6)
• (6, 7π/6)
• (6, π/6)
• (12, 7π/6)

Tags

CCSS.HSN.CN.B.4

CCSS.HSF.TF.A.1

CCSS.HSF.TF.A.2

CCSS.HSG.C.B.5

Express the following in rectangular form.

4 ( cos π /3 + i sin π /3)

• 2 + 2√3 i

• 2 + √3 i

• 2 - 2√3 i

• -2 + 2√3 i

Find the indicated power using DeMoivre's Theorem 

• 256
• 4096i
• 4096
• -4096

Tags

CCSS.HSN.CN.B.4

Covert the rectangular equation to polar form

• r² = 81
• r = 3
• r = 4.5
• r sin θ = 9

Tags

CCSS.HSG.GPE.A.1

The polar complex form of -2 + 2√3i is:

• z =2(cos(120) + isin(120))
• z =4(cos(120) + isin(120))
• z=2(cos(300))+isin(300))
• z=4(cos(300))+isin(300))

Tags

CCSS.HSN.CN.B.4

Convert the polar equation to a rectangular equation. r = 4cosθ

• x² + y² = 4x

• x² + y² = 4y

• x² - y² = 4y

• x² - y² = 4x

Tags

CCSS.HSN.CN.B.4