Question

(xiii) The centre of the circle x2 + y2 + 8x + 10y - 8 = 0 is :
(a) (-4,-5)
(b) (4,5)
(c) (-4,5)
(d) (4,-5)​

Answer 1

Answer:

a, -4, -5

Step-by-step explanation:

and Radius =r=7

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Answer 2

Answer:

so , we know that the general expanded form of circle equation is x²+y²+2gx+2fy+C

where centre of circle is (-g,-f)

so by observing the equtaion you can see that g=4and f=5 from the above question

so your centre is (-4,-5)

Step-by-step explanation:

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