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The parabola shown has axis of symmetry x = 2. What is the y-coordinate of the vertex?
Ay = 2
By = −2
Cy = 0
Dcannot tell
Explanation
The vertex is the marked turning point where the curve stops falling and starts rising — it lies on the axis of symmetry x = 2, as stated. Read it off the grid: that point sits 2 units below the x-axis, so the vertex is (2, −2) and its y-coordinate is y = −2.
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