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bree6754
28.10.2019 •
Mathematics
Determine the equation of the graph and select the correct answer below.
a. y = (x + 3)2 − 2
b. y = (x − 3)2 − 2
c. y = (x + 3)2 + 2
d. y = (x − 3)2 + 2
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Ответ:
Option C is correct
Step-by-step explanation:
The equation of parabola is given by:
where, (h, k) is the vertex and a is any constant value.
As per the statement:
From the given graph of parabola:
Vertex = (h, k) = (-3, 2)
Substitute in [1] we have;
Since, the graph of parabola cut at (0, 11)
Substitute this point in [2] we have;
⇒![11= 9a+2](/tpl/images/0349/4240/391d1.png)
Subtract 2 from both sides we have;
Divide both sides by 9 we have;
a = 1
⇒![y = (x+3)^2+2](/tpl/images/0349/4240/f6eb7.png)
therefore, the equation of the graph is,![y = (x+3)^2+2](/tpl/images/0349/4240/f6eb7.png)
Ответ:
Ответ: