3 years ago

How can you show halves with circle's?

Mathematics

1 answer:

VARVARA [1.3K]3 years ago

8 0

Use the diameter of the circle.

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Step-by-step explanation:

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Step-by-step explanation:

The formula you use is as follows:

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Llana [10]

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Step-by-step explanation:

$\text{As the directrice is horizontal:}\\\\\\y=-2 ==> k=-2\\\\Focus=(a,b)=(-1,4)\\\\\boxed{y=\dfrac{x-a}{2(b-k)} +\dfrac{b+k}{2} }\\\\\\y=\dfrac{x+1}{2(4+2)} +\dfrac{4-2}{2} }\\\\\boxed{y=\dfrac{x+1}{12} +1}\\$

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