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2 answers:
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The correct answer is b), or x² = -12y.
Explanation:
This equation may be written in standard form as
The coefficient in front of x² is negative so the curve is downward.
The vertex has coordinates (0,0).
The vertex is equidistant from the directrix and the focus, so the focus is (0, -3).
Explanation:
This equation may be written in standard form as
The coefficient in front of x² is negative so the curve is downward.
The vertex has coordinates (0,0).
The vertex is equidistant from the directrix and the focus, so the focus is (0, -3).
Notice the picture below
you have two triangles, and you have the opposite and adjacent sides
thus, recall your SOH CAH TOA
anyhow.. the one that has only
the angle
the opposite
and the adjacent
is Ms Tangent, so lets ask her some
solve for "y"
you have two triangles, and you have the opposite and adjacent sides
thus, recall your SOH CAH TOA
anyhow.. the one that has only
the angle
the opposite
and the adjacent
is Ms Tangent, so lets ask her some
solve for "y"