PLEASE HELP !! 221-w=272 What is w??
2 answers:
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Answer:
16. B
17. B
Step-by-step explanation:
16. The intercept form of the parabola is
where are two x-intercepts.
In your case,
so
To find <em>a</em>, substitute coordinates of the point (-6,-4) parabola is passing through
and
17. The vertex form of the parabola equation is
where <em>(h,k)</em> are the coordinates of the vertex and sign "-" because parabola goes down.
In your case, vertex is (2,3), so
The vertex is 3 units from the focus, then
The equation of the parabola is