Considering the given quadratic equation, it is found that the quickest way to find the maximum height is given by:
c. Complete the square.
What is the equation of a parabola given it’s vertex?
The equation of a quadratic function, of vertex (h,k), is given by:
y = a(x - h)² + k
In which a is the leading coefficient.
The maximum height is at the vertex, which is found completing the squares, hence option c is correct.
More can be learned about quadratic equations at https://brainly.com/question/24737967
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