xoxotate xoxotate
  • 13-05-2020
  • Mathematics
contestada

HELP PLEASE Find the center and radius of the circle.

x2 + 8x + y2 − 2y − 8 = 0

The center is , and the radius is

Respuesta :

amna04352
amna04352 amna04352
  • 13-05-2020

Answer:

Centre: (-4,1)

Radius: 5

Step-by-step explanation:

h = -8/2 = -4

k = -(-2)/2 = 1

(-4)² + 1² - (-8) = r²

r² = 25

r = 5

Answer Link
TheKid5041
TheKid5041 TheKid5041
  • 13-05-2020

Answer:

r = 5

Step-by-step explanation:

Answer Link

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