Given:
The quadratic equation is

To find:
The vertex of the given quadratic equation.
Solution:
If a quadratic function is
, then

We have,

It can be written as

...(i)
Here,
.



Putting
in (i), we get
On further simplification, we get
So, the vertex of the given quadratic equation is
.
Therefore, the correct option is A.
Answer:
i think its 2, 4, and 1
Step-by-step explanation:
Answer:
put one point b the negative -1 and another point by the 2 going long ways ------
Step-by-step explanation:
Answer: i do not see a graph
Step-by-step explanation: