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OpenStudy (anonymous):
What is the focus of the following graph?
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OpenStudy (anonymous):
OpenStudy (anonymous):
Give me one second. :)
OpenStudy (anonymous):
Does it give you the equation of the parabola?
OpenStudy (anonymous):
No but these are the answer choices A (0, 5) B (4, 0) C (0, 4) D (5, 0)
OpenStudy (anonymous):
The directrix is x = -5. The formula for the directrix is x = -c. So c = 5. The formula for the focus is (c, 0). So the focus is (5, 0). D. (5, 0)
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