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Salsk061 [2.6K]
4 years ago
13

Which function represents a parabola that opens downward and has a vertex at (3,-4)

Mathematics
1 answer:
Harlamova29_29 [7]4 years ago
4 0

Answer:

y = -(x-3)² -4

Step-by-step explanation:

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Answer:

P(x) = x^3 - 10x^2+ 34x-40

Step-by-step explanation:

Given

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Required

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However, to solve further: We need to symmetrise over 3-i  and its conjugate

P(x) = 1 * (x - 4) * (x - (3 - i))* (x - (3 + i))

P(x) =  (x - 4) * (x - (3 - i))* (x - (3 + i))\\\\

To define a suitable function, the expression becomes

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P(x) =  (x - 4) * ((x - 3)(x - 3)+1)

P(x) =  (x - 4) * (x^2 - 6x + 9+1)

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Open bracket

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