Open Question: Find the vertex, focus and directrix of each parabola: x^2+6x+y-12=0 (Please show your work)?
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23:12 |
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Open Question: Find the vertex, focus and directrix of each parabola: y^2=4x+12 (Please show your work)?
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18:16 |
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Open Question: Which equation below has vertex (5, -4)?
Vertex form for a quadratic function:
y = a(x - h)^2 + k
where the vertex is at: (h, k)
You should be able to "read" these functions...
Think !
[y = (x - 5)^2 - 4]
3:08 |
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Open Question: Whet is the vertex of a triangle?
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7:28 |
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