Problem 110 of 7
Determine opening direction from focus (0,-3) and directrix y=3.
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compare focus location to directrix.
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Parabola opens toward the focus and away from the directrix.
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Solution
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1. Locate focus relative to the directrix.
2. Place the vertex halfway between them.
3. State the direction from vertex to focus.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Opening toward the directrix.