robert7248
robert7248 robert7248
  • 10-04-2019
  • Mathematics
contestada

Find the center and radius of circle and graph it

[tex](x-4)^{2} +( y +2)^{2} = 9[/tex]

Respuesta :

ShyzaSling
ShyzaSling ShyzaSling
  • 10-04-2019

Answer:

centre = (4,-2)

radius = 3

Step-by-step explanation:

The centre-radius form of the circle equation is in the format

(x – h)² + (y – k)² = r²,

with the centre being at the point (h, k) and the radius being "r"

Given in the question an expression which can be write as

(x – 4)² + (y – (-2))² = 3²

So, by translating we can say that

centre = (4,-2)

and

radius = 3

 

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