SOLUTION: Can anyone help me with this?
Find the vertex, focus, and directrix of the given parabola and sketch it's graph:
y squared = - 16x
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Question 35466This question is from textbook algebra for college students
: Can anyone help me with this?
Find the vertex, focus, and directrix of the given parabola and sketch it's graph:
y squared = - 16x
This question is from textbook algebra for college students
Answer by rapaljer(4671) (Show Source): You can put this solution on YOUR website!
is a parabola that opens to the left. The vertex of course is the origin (0,0). The focus and directix are at a distance of p from the vertex, where 4p = 16, so p=4. The focus is within the arc of the parabola, so it will be to the left of the origin at (-4,0) and the directrix will be to the right of the vertex. The directrix will be the vertical line x = 4. The graph will be
R^2 at SCC
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