A soccer ball is kicked into the air. Its height above the ground is described by the equation y = − 16x² + 48x, where x = time in seconds and y = height in feet. This equation describes the parabola graphed below.   What are the coordinates of the vertex of the parabola? Explain how you found your answer.

Intermediate Algebra
19th Edition
ISBN:9780998625720
Author:Lynn Marecek
Publisher:Lynn Marecek
Chapter9: Quadratic Equations And Functions
Section: Chapter Questions
Problem 539PT: For each parabola, find (a) which direction it opens, (b) the equation of the axis of symmetry, (c)...
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A soccer ball is kicked into the air. Its height above the ground is described by the equation y = − 16x² + 48x, where x = time in seconds and y = height in feet. This equation describes the parabola graphed below.

 

What are the coordinates of the vertex of the parabola? Explain how you found your answer.

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