

Polar Coordinates and Curves
Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Practice Problem
•
Hard
Thomas White
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the example of a polar curve discussed in the video?
R = 1 - cos(θ)
R = 1 + cos(θ)
R = 2 + cos(θ)
R = 1 + sin(θ)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What method is suggested for computing cosine values of angles like 5π/4?
Using a cosine table
Using the unit circle
Using a graphing tool
Using a calculator
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in plotting points in polar coordinates?
Use a graphing calculator
Convert to Cartesian coordinates
Draw a unit circle
Calculate R for various θ values
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the method used to connect the plotted points in polar coordinates?
Using a ruler
Using a compass
Drawing straight lines
Connect-the-dots
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the Cartesian version of the polar curve R = 1 + cos(θ)?
Y = 1 + sin(X)
Y = 1 + cos(X)
Y = 2 + cos(X)
Y = 1 - cos(X)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the Cartesian version, between which values does the curve oscillate?
Between 0 and -2
Between 3 and 1
Between 2 and 0
Between 1 and -1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What shape is formed when the polar curve is plotted and connected?
Ellipse
Parabola
Circle
Cardioid
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