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glowbaby123
03.07.2020 •
Mathematics
Which of the equations below could be the equation of this parabola?
Vertex
(0,0)
. 10
10
10
o A. y = 2x²
O B. yw - 2x²
O c, x==137²
O D. 1/4
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Ответ:
Option B:![y = -\frac{1}{2} x^2](/tpl/images/0700/4835/84b62.png)
Step-by-step explanation:
The parabola has its concavity downwards, so we need a function in the model:
With a negative value of 'a'
The vertex is (0,0), so we have that:
The x-coordinate of the vertex is given by the equation:
So we have a function in the model:
With a < 0
The only option with this format is B:
Ответ: