Answer:
f(x) = (x - 4)^2
Step-by-step explanation:
When plotted upon a graph, the function passes through the line. You can find the vertex by using the formula: f(x) = a(x - h)^2 + k
h = 4, meaning the vertex is (4, 0)
Hope this helps!
Answer:
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Answer:

Step-by-step explanation:
Length and width of the yard are
and
.

Answer:
x = -8 ± √62
Step-by-step explanation:
An equation needs an equals sign. I assume the expression equals zero?
x² + 16x + 2 = 0
To complete the square, start by making the leading coefficient 1 (which it already is).
Next, take half of the b coefficient, square it, and add the result to both sides.
(16/2)² = 8² = 64
x² + 16x + 64 + 2 = 64
Factor the perfect square:
(x + 8)² + 2 = 64
Solve for x:
(x + 8)² = 62
x + 8 = ±√62
x = -8 ± √62
5400 is the nearest hundred to 5403.264