mh750601 mh750601
  • 16-05-2021
  • Mathematics
contestada

what is the equation for a circle as follows: center (2, -4) & radius 5?​

Respuesta :

pc192y
pc192y pc192y
  • 16-05-2021

Answer:

[tex](x-2)^2+(y+4)^2=25[/tex]

Step-by-step explanation:

Equation of a circle: [tex](x-h)^2+(y-k)^2=r^2[/tex], where h is the x-coordinate of the center, k is the y-coordinate of the center, and r is the radius of the circle.

The given circle has:

x-coordinate of center: 2

y-coordinate of center: -4

radius: 5

Meaning h = 2, k = -4, r = 5

Substitute into the general eqn.

[tex](x-2)^2+(y+4)^2=5^2=25[/tex]

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