madkiler1234 madkiler1234

02-05-2021
Mathematics

contestada

Write the equation of a circle with a center of (1,-2) and radius of 4.

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altavistard altavistard

02-05-2021

Answer:

(x - 1)^2 + (y + 2)^2 = 4^2

Step-by-step explanation:

The standard equation of a circle of radius r with center at (h, k) is

(x - h)^2 + (y - k)^2 = r^2

Replacing h with 1, y with -2 and r with 4, we get:

(x - 1)^2 + (y + 2)^2 = 4^2

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