Find the vertex, the focus, and the directrix of the parabola.y = -2x2 - 20x - 52 = 0
A. V: 
; F: 
; D: x = - 
B. V: 
; F: (-5, -4); D: x = 0
C. V: (-5, -2); F: 
; D: y = - 
D. V: 
; F: (-5, -10); D: x = -6
Answer: C
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