- All values are approximate.
- The parabola opens downward.
- The vertex of the parabola is at (0.6 comma 5.5).
- The parabola passes through the following points:
- (0.0 comma 3.8)
- (0.6 comma 5.5)
- (1.0 comma 4.8)
- (1.7 comma 0.0)
The graph shows the height above ground, in meters, of a ball seconds after the ball was launched upward from a platform. Which statement is the best interpretation of the marked point in this context?
Correct answer: A
Explanation
Choice A is correct. It's given that the graph shows the height above ground, in meters, of a ball seconds after the ball was launched upward from a platform. In the graph shown, the x-axis represents time, in seconds, and the y-axis represents the height of the ball above ground, in meters. It follows that for the marked point , represents the time, in seconds, after the ball was launched upward from a platform and represents the height of the ball above ground, in meters. Therefore, the best interpretation of the marked point is second after being launched, the ball's height above ground is meters.
Choice B is incorrect and may result from conceptual errors.
Choice C is incorrect and may result from conceptual errors.
Choice D is incorrect and may result from conceptual errors.
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