Polar and Rectangular

How do you write an ordered pair in polar coordinates?

• (X, Y)

• (θ, r)

• (r,θ)

• (Y_Y)

Tags

CCSS.HSN.CN.B.4

Which point represents (-4, 4π/3)

• F
• E
• B
• A

Tags

CCSS.HSN.CN.B.4

Convert from polar coordinates,  (20, 11π/6) to rectangular coordinates.

• (-10√3, 10)

• (10√3, -10)

• (10, -10√3)

• (-10, 10√3)

Tags

CCSS.HSN.CN.B.4

Convert the rectangular equation to a polar equation. 
x²+y²=25

• r=5
• r=5sinΘ
• r=5cscΘ
• r=25

Tags

CCSS.HSN.CN.B.4

Express the complex number in standard form.
4 ( cos π /3 + i sin π /3)

• 2 + 2√3 i
• 2 + √3 i
• 2 - 2√3 i
• -2 + 2√3 i

Tags

CCSS.HSN.CN.B.4

Write the complex number in standard form

6 (cos 330 + i sin 330)

Tags

CCSS.HSN.CN.B.4

• I

• II

• III

• IV

• Any of the above

Tags

CCSS.HSN.CN.B.4

Tags

CCSS.HSN.CN.B.4

What is the conjugate of -2+5i?

• -5+2i
• -2-5i
• 2+5i
• 5-2i

Tags

CCSS.HSN.CN.A.3