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ashleighelizabeth Group Title

A ball is thrown from the ground at a velocity of 64 feet per second. The formula h = –16t2 + 64t gives the ball’s height, in feet, after t seconds. How many seconds will it take the ball to reach its maximum height?

  • one year ago
  • one year ago

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  1. satellite73 Group Title
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    max is at the vertex, first coordinate of the vertex of a parabola (which is what you are looking for) is always \(-\frac{b}{2a}\) which in your case is \[-\frac{64}{2\times (-16)}\]

    • one year ago
  2. satellite73 Group Title
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    better known as 2

    • one year ago
  3. ashleighelizabeth Group Title
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    Can you answer this one? : What is the y-intercept of the function that passes through the points (–3, 12) and (4, –2)?

    • one year ago
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