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5 votes
Y intercept of y=-9.8t^2+100

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User Scravy
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1 Answer

4 votes
Informally, the y-intercept is where the graph meets the y-axis
So it is value of y at t = 0. In this case, it's 100.
Since y represents the distance from the ground,
y = 100 is how high the ball is when t = 0
answered
User Reveka
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8.3k points

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