The graph of quadratic function f has zeros of -8 and 4 and a maximum at (-2,18). What is the value of a in the function’s equat
1 answer:
<h2>Quadratic Function Equations</h2>
To find the equation of a parabola given the vertex and the zeroes, we can use the intercept form equation to help us:
- r and s = intercepts/zeros of the graph
We're given:
- Zeros: -8, 4
- Maximum: (-2, 18)
⇒ Plug in the given information:
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First parameterize the pieces of the contour:
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and so the work is given by the integral
First parameterize the pieces of the contour:
where
and so the work is given by the integral