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Question

3 years ago

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1 answer:

ki77a [65] · Answer 1 · 2022-04-21T22:06:26+03:00

Answer:

Option A Center (5,-4) radius 7

Step-by-step explanation:

x^2 +y^2 - 10x +8y - 8= 0

Center(-g,-f)

2gx = - 10x

g = - 5

2fy = 8y

f = 4

Center (5,-4)

Radius = square root of (g^2+f^2 - c)

r = square root of (5^2 + - 4^2 - (-8))

r = square root of (25+16+8)

r = square root of 49

r = 7