Quiz on Polar & Parametric Videos

10.1-10.2 The polar coordinate system is based on a point, called the ______ and a ray, called the _______ axis.

• pole, polar
• radias, x
• pole, x
• radias, polar

10.1 10.2 A point P on the polar coordinate system is given in the form (r, θ).  What does the r stand for?  

• Radias
• Radians
• Ray
• Degrees

10.1-10.2 A point P on the polar coordinate system is given in the form (r, θ).  What does the θ stand for?

• Radias
• Angle
• Ray

10.1-10.2 True or false:  Polar coordinates are not unique.

• True
• False

10.1-10.2 Converting between rectangular and polar coordinates:
x = ?

• rcosθ
• rsinθ
• x² + y²
• y/x, x ≠ 0

Tags

CCSS.HSN.CN.B.4

10.1-10.2 Converting between rectangular and polar coordinates:
y = ?

• rcosθ
• rsinθ
• x² + y²
• y/x, x ≠ 0

Tags

CCSS.HSN.CN.B.4

10.1-0.2 Converting between rectangular and polar coordinates:
r² = ?

• rcosθ
• rsinθ
• x² + y²
• y/x, x ≠ 0

Tags

CCSS.HSN.CN.B.4

10.1-10.2 Converting between rectangular and polar coordinates:
tan θ = ?

• rcosθ
• rsinθ
• x² + y²
• y/x, x ≠ 0

Tags

CCSS.HSN.CN.B.4

In the example from 10.2, what was the final answer to (x + 3)² + (y - 4)²= 25

• (-3, 4) r = 5
• r = 8sinθ - 6cosθ
• r = 8sinθ + 6cosθ
• r = -8sinθ + 6 cosθ

In the video example from 10.2, what is the same as r = 2tanθsecθ?

• y = ½x²
• y = x²
• y = ¾x²
• y = ⅓x²