papiiisabel papiiisabel
  • 10-05-2021
  • Mathematics
contestada

write the equation of a circle with a center at (-1,2) and a radius of 7

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ivycoveredwalls
ivycoveredwalls ivycoveredwalls
  • 10-05-2021

Answer:

[tex](x+1)^2+(y-2)^2=49[/tex]

Step-by-step explanation:

The standard form for the equation of a circle is [tex](x-h)^2+(y-k)^2=r^2[/tex] where  r  is the radius, and the center is (h, k).

(h, k) = (-1, 2),  r = 7

[tex](x-(-1))^2+(y-2)^2=7^2\\\\(x+1)^2+(y-2)^2=49[/tex]

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