18
QuizMultiple Choice
Applying Vectors in the Plane — Cumulative exam
Question 18 • Precalculus
Which graph represents the polar curve r = 1 + sin(θ)?
Answer
A
On a polar coordinate plane, a circle crosses the y-axis at (0, 0) and (0, negative 2). It has a cardioid at (0, 0).
B
On a polar coordinate plane, a circle crosses the y-axis at (0, 0) and (0, 2). It has a cardioid at (0, 0).
C
On a polar coordinate plane, a circle crosses the x-axis at (0, 0) and (negative 2, 0). It has a cardioid at (0, 0).
D
On a polar coordinate plane, a circle crosses the x-axis at (0, 0) and (2, 0). It has a cardioid at (0, 0).