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You are here: Home / ACT Practice Questions / ACT Practice Question: Parabolas in the Coordinate Plane

ACT Practice Question: Parabolas in the Coordinate Plane

March 20, 2015 Leave a Comment

 
Here is a practice question on parabolas in the coordinate plane.

In the $(x, y)$ coordinate plane, a parabola with an equation of $y=a(x-h)^2 + k$ has a vertex at $(-2, 2)$. If $(2, -1)$ is a point that falls on the parabola, then which one of the following points also falls on the parabola?

  1. $\quad (-10, -8)$
  2. $\quad (-6, -1)$
  3. $\quad (-3, -2)$
  4. $\quad (0, -2)$
  5. $\quad (0, -1)$

Choice B

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