(a)
To find: the new parabola's vertex, focus, and directrix.
Answer to Problem 25E
Vertex is [(1,-2)]
Focus is [(3,-2)]
Directrix is
Explanation of Solution
Given:
The parabola
Calculation:
The given new parabola is:
Comparing with the standard form:
Thus,
Now, Vertex is given by
Therefore vertex is [(1,-2)]
Focus is given by
Therefore focus is [(3,-2)]
Directrix is given by
Therefore directrix is
Conclusion:
Therefore Directrix is
Vertex is [(1,-2)]
Focus is [(3,-2)]
Chapter A5 Solutions
Calculus: Graphical, Numerical, Algebraic: Solutions Manual
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