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WINSTONCH [101]
3 years ago
8

The graph of a limacon curve is given. Without using your graphing calculator, determine which equation is correct for the graph

.[-5, 5] by [-5, 5] (1 point)

Mathematics
2 answers:
den301095 [7]3 years ago
6 0
The general form for this curve is:
r = Acos \theta + B
Now find A,B given 2 points:
r(0) = 5, r(\pi) = 1
A +B = 5 \\  \\ -A+B = 1
Solving this system yields:
A = 2, B = 3 \\  \\ r = 2cos \theta + 3
dem82 [27]3 years ago
5 0

Answer:

r = 2 - 3 cos θ

Step-by-step explanation:

This is the best I could come up with.

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