(a)
To identify: the type of conic represented by the given equation.
(a)
Answer to Problem 77E
The conic is an
Ellipse.
Explanation of Solution
Given information:
Given equation
Calculation:
Let us consider the following polar equation,
We compare the equation with
Therefore, the conic is an
Ellipse
Here, the vertical directrix is to the left of the pole.
(b)
To describe: the graph of given equation differs from the polar equation given in part (a).
(b)
Answer to Problem 77E
The vertical directrix is to the right of the pole.
Explanation of Solution
Given information:
Given equation
Calculation:
Let us consider the following polar equation,
Here, the vertical directrix is to the right of the pole.
(c)
To verify: your results in part (b).
(c)
Answer to Problem 77E
The vertical directrix is below of the pole.
Explanation of Solution
Calculation:
Let us consider the following polar equation,
Here, the vertical directrix is below of the pole.
Chapter 10 Solutions
EBK PRECALCULUS W/LIMITS
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