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4. (x + 4)2 + (y – 5)2 = 25

Center:

Radius:

4. (x + 4)2 + (y – 5)2 = 25 Center: Radius:-example-1

1 Answer

7 votes

Answer:

Center = (-4, 5)

Radius = 5

Explanation:

Equation of a Circle :

  • (x - h)² + (y - k)² = r²
  1. (h, k) = coordinates of the center
  2. r = radius

Finding the center :

  • h = -(4) = -4
  • k = 5
  • Center = (-4, 5)

Finding the radius :

  • r² = 25
  • r = √25
  • radius = 5
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