PLEASE HELP The vertex of this parabola is at (-2, 1). Which of the following could be its
equation?

A.

Step-by-step explanation:

From the image attached below statement we understand that a parabola with a horizontal axis of symmetry and whose vertex is centered at is defined by the following expression:

(1)

Where is the parabola factor, when , the parabola is oriented in the +x direction, otherwise is oriented in the -x direction. Hence, we may conclude that equation of the parabola is of the form:

, where

The correct answer is A.

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