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The vertex of a parabola is at (12,-4), and its axis of symmetry is vertical. One of the x-intercepts is at (-15,0). What is the x-coordinate of the other x-intercept?

 Jun 9, 2022
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The zeros are 12 - (-15) = 27 units away from the vertex so we add 12 and 27 to get the other x intercept, (39,0) :)
 Jun 9, 2022

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