What is the slope of the line that passes through the points (8,2) and (10,2)? Write your answer in the simplest form.
1 answer:
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Answer:
(-1, 6)
Step-by-step explanation:
A graphing calculator shows the vertex to be (x, y) = (-1, 6).
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You can also find it by putting the equation into vertex form.
y = -2(x^2 +2x) +4
y = -2(x^2 +2x +1) +4 +2(1) . . . . . add 1 inside parens; the opposite outside
y = -2(x +1)^2 +6
Compare to ...
y = a(x -h)^2 +k
and you see a=-2, h=-1, k=6
The vertex is (h, k) = (-1, 6).
The answer is 16 cm approx.
Diameter= 2
=>2
=>2
=>15.997.......
=> 16 approx
Hope this helps you!!