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brett
brett asked in Science & MathematicsMathematics · 4 years ago

Help Please? how do i solve this?

1. A circle with equation (x+2)² + (y – 8)² = 16

has what center and radius?

A. Center (2, -8) Radius = 16

B. Center (2, -8) Radius = 4

C. Center (-2, 8) Radius = 16

D. Center (-2, 8) Radius = 4

4 Answers

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  • Como
    Lv 7
    4 years ago

    C (-2 , 8)

    r = 4

  • DWRead
    Lv 7
    4 years ago

    General equation of a circle:

     (x-h)² + (y-k)² = r²

    with

     center (h,k)

     radius r

  • D g
    Lv 7
    4 years ago

    Think of the equation of a circle

    X^2 + y^2 = r^2

    Your x and y are equation

    R = sqrt 16

  • John
    4 years ago

    A

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