Write the equation of a circle given the center and

lilyta79jd

lilyta79jd

Answered question

2021-12-01

Write the equation of a circle given the center and radius. center: (-4, -2); radius = 9

Answer & Explanation

Symbee

Symbee

Beginner2021-12-02Added 17 answers

Use the standard equation of the circle given by:
(xh)2+(yk)2=r2
where (h,k) is the center and r is the radius.
Substitute h=-4, k=-2, and r=9:
(x(4))2+(y(2))2=92
(x+4)2+(y+2)2=81
Result:
(x+4)2+(y+2)2=81

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