what is the equation of a circle with a center (-9,2) and radius 5?

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what is the equation of a circle with a center (-9,2) and radius 5?

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Gerda 4 years 2021-07-27T16:15:15+00:00 1 Answers 11 views 0

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  1. Thunguyet
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    2021-07-27T16:16:39+00:00
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    Answer:

    (x+9)^2 + ( y-2) ^2 = 25

    Step-by-step explanation:

    The equation of a circle can be written as

    (x-h)^2 + ( y-k) ^2 = r^2  where ( h,k) is the center and r is the radius

    (x–9)^2 + ( y-2) ^2 = 5^2

    (x+9)^2 + ( y-2) ^2 = 25

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )