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Cosider the quadratic function `y = -x^2-4x-3`.

The vertex is the point

The equation of the line of symmetry is  

The vertical intercept is the point

The horizontal intercept(s) is/are the point(s) (separate multiple answers with a comma)

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   x  x  √  n√  |   | (   ) π ∞ DNE
   x  √  (   ) π ∞ DNE
( ) ( ] [ ) [ ] —∞ ∞ ∪ DNE
< > ≤ ≥ or All Real Numbers DNE
log logn ln n√  | | e 
sin cos tan arcsin arccos arctan ⟨ ⟩
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