Graphing Polar Equations

Question 1

The equation r = −2 represents graph .

Revolt · Accepted Answer

C

Question 2

The equation r = 3 represents graph .

Revolt · Accepted Answer

B

Question 3

The equation represents graph .

Revolt · Accepted Answer

D

Question 4

The equation represents graph .

Revolt · Accepted Answer

E

Question 5

If a = 0 and b ≠ 0, then the graph is shaped like a .

Revolt · Accepted Answer

circle with diameter b

Question 6

What is the rectangular form of r = −2 sin(θ)?

Revolt · Accepted Answer

x2 + (y + 1)2 = 1

Question 7

The coefficient 13.2 represents the of the circular area affected by the seismic wave.

Revolt · Accepted Answer

diameter

Question 8

A sound engineer is positioning a cardioid microphone for a music concert. Which equation corresponds to a microphone facing the correct direction?

Revolt · Accepted Answer

r = 4 − 4 cos(θ)

Question 9

If a < b, then the graph is shaped like a .

Revolt · Accepted Answer

closed curve with a loop inside it

Question 10

If a > b, then the graph is shaped like a .

Revolt · Accepted Answer

closed curve with a dimple

Graphing Polar Equations Answers