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topjm [15]
3 years ago
8

What is the general form of the equation for the given circle centered at O(0, 0)? x2 + y2 + 41 = 0 x2 + y2 − 41 = 0 x2 + y2 + x

+ y − 41 = 0 x2 + y2 + x − y − 41 = 0

Mathematics
2 answers:
Furkat [3]3 years ago
8 0
I would say the second one.
x^2 + y^2 = 41
aliya0001 [1]3 years ago
4 0
<h2>Answer:</h2>

The  general form of the equation for the given circle centered at O(0, 0) is:

                                x^2+y^2-41=0

<h2>Step-by-step explanation:</h2>

We know that the standard form of circle is given by:

(x-h)^2+(y-k)^2=r^2

where the circle is centered at (h,k) and the radius of circle is: r units

1)

x^2+y^2+41=0

i.e. we have:

x^2+y^2=-41

which is not possible.

( Since, the sum of the square of two numbers has to be greater than or equal to 0)

Hence, option: 1 is incorrect.

2)

x^2+y^2-41=0

It could also be written as:

x^2+y^2=41

which is also represented by:

(x-0)^2+(y-0)^2=(\sqrt{41})^2

This means that the circle is centered at (0,0).

3)

x^2+y^2+x+y-41=0

It could be written in standard form by:

(x+\dfrac{1}{2})^2+(y+\dfrac{1}{2})^2=(\sqrt{\dfrac{83}{2}})^2

Hence, the circle is centered at (-\dfrac{1}{2},-\dfrac{1}{2})

Hence, option: 3 is incorrect.

4)

x^2+y^2+x-y=41

In standard form it could be written by:

(x+\dfrac{1}{2})^2+(y-\dfrac{1}{2})^2=(\sqrt{\dfrac{83}{2})^2

Hence, the circle is centered at:

(\dfrac{-1}{2},\dfrac{1}{2})

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