SOLUTION: Suppose you throw a ball over a 10-ft fence. Barely clearing the fence, the ball reaches its highest point directly above the fence and lands 10 ft from the fence. Using the fence

Question 1000515: Suppose you throw a ball over a 10-ft fence. Barely clearing the fence, the ball reaches its highest point directly above the fence and lands 10 ft from the fence. Using the fence as the axis of symmetry, write a quadratic function that models the ball�s height.
Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website!
Parabola shape, opening downward so the vertex is a maximum, at (0,10). Using behind the fence at ground level to be a zero then other side of fence where ball lands is the other zero. These are (-10,0) and (10,0).

The function would be , and use the vertex to find the factor, a.

, factored form.
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