50 POINTS What is the equation, in standard form, of a circle with center (−5, −9) and radius 7?

Equation of a circle:

Substitute the given values to get the equation of this circle:

Solution given:

Centre(h,k)=(-5,-9)

radius (r)=7

we have

Equation of a circle is;

(x-h)²+(y-k)²=r²

Substituting value;

(x+5)²+(y+9)²=7²

(x+5)²+(y-9)²=49 is a required equation of a circle.

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step-by-step explanation:

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