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jakemendes1
03.03.2020 •
Mathematics
The vertex of this parabola is at (2, -4). Which of the following could be its equation?
A.y = 2(x - 2)2 + 4
B.x = 2(y + 4)2 + 2
C.x = 2(y - 4)2 + 2
D.y = 2(x - 2)2 - 4
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Ответ:
The answer to your question is letter B
Step-by-step explanation:
Data
Vertex = (2, -4)
Process
From the image we know that it is a horizontal parabola that opens to the right so the equation must be
(y - k)² = 4p(x - h)
Let 4p be 1
- Substitution
(y + 4)² = (x - 2)
- Solve for x
(y + 4)² = x - 2
- Result
x = (y + 4)² + 2
The answer is letter B, because of the signs.
Ответ:
Pizza rolls and taco bell food gods