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Medal & Fan?!?? Using a directrix of y = -3 and a focus of (2, 1), what quadratic function is created?
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I'm completely lost on this...
|dw:1419020737060:dw|
first you need to know what it looks like if it opens up, down, left or right
What does that mean?
so you need to graph it to see this one opens up
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How do I graph a directrix?
the meaning of open up, down, left or right: |dw:1419020888714:dw|
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