What w-2 we need to be able to see it
ANSWER
The choice is correct.

EXPLANATION
The equation of a parabola in vertex form is given by:

where (h,k) is vertex of the parabola and 'a' is the leading coefficient of the parabola.
From the given options, the leading coefficient must be a=1.
We also have the vertex of the parabola at (1,2). This implies that h=1 and k=2.
We substitute these values into the formula to get,

The second option is correct.
Answer:
is this a question
Step-by-step explanation:
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Answer:
for me the answer is letter B.