Respuesta :

The standard equation for the circle centre can be written by using this formula: (x-h)² + (y -k)² = r² 

So, the equation in this case is: (x+6)² + (y-7)² = 81

Answer:

Step-by-step explanation:

Given: The center of the circle is [tex](6,7)[/tex] and the radius is [tex]9[/tex].

To find: The standard equation for the circle.

Solution: The standard equation for the circle with center [tex](a,b)[/tex] and radius [tex]r[/tex]is given as:

[tex](x-a)^2+(y-b)^2=r^2[/tex]

Now, the center is [tex](6,7)[/tex] and the radius is [tex]9[/tex], thus the equation of circle is:

[tex](x-(-6))^2+(y-7)^2=(9)^2[/tex]

[tex](x+6)^2+(y-7)^2=(9)^2[/tex]

which is the required equation of circle with center as [tex](6,7)[/tex] and the radius is [tex]9[/tex].

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