OpenStax, Elementary Algebra 2e §10.5 Graphing Quadratic Equations in Two Variables · Example 12 · Algebra · Quadratics
Graphing Quadratic Equations in Two Variables · Example 12
The quadratic equation models the height of a volleyball hit straight upwards with velocity 176 feet per second from a height of 4 feet.
ⓐ How many seconds will it take the volleyball to reach its maximum height?
ⓑ Find the maximum height of the volleyball.
Its source prints no answer for this problem, so there's nothing to check against.
OpenStax, Elementary Algebra 2e · §10.5 Graphing Quadratic Equations in Two Variables · Example 12
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