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djyliett [7]
3 years ago
7

Hey can you please help me posted picture of question

Mathematics
1 answer:
Snezhnost [94]3 years ago
3 0
The equation for a parabola can also be written in the "vertex form":
 y = a (x - h) ^ 2 + k
 In this equation, the vertex of the parabola is the point (h, k).
 We have then:
 y = a (x - (-5)) ^ 2 + -2
 Substituting the given point:
 2 = a (-4 - (-5)) ^ 2 + -2
 Clearing a:
 2 = a-2
 a = 4
 Answer:
 
a = 4
 
option B
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