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Kelton Ferguson
Mathematics
29 June, 03:19
What is the vertex of f (x) = (x-8) (x-2)
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Slade Castaneda
29 June, 03:34
0
Hello!
To find the vertex of f (x), we can simplify this function into standard form.
f (x) = (x - 8) (x - 2)
f (x) = x² + - 10x + 16
With the equation in standard form, we use the formula: x = - b/2a. Then, we substitute the value of x into the equation to solve for the y-value.
x = - (-10) / 2 (1)
x = 10 / 2
x = 5
Then, we substitute x = 5 into the original equation.
f (x) = (5 - 8) (5 - 2)
f (x) = - 3 (3)
f (x) = - 9
Therefore, the vertex of f (x) is (5, - 9).
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