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Math·Geometry and Trigonometry·Circles

easy

A circle in the $xy$-plane has its center at $(-3,-5)$ and has a radius of length $7$. Which equation represents this circle?

A

$(x+3{)}^2+(y+5{)}^2=49$

B

$(x-3{)}^2+(y-5{)}^2=49$

C

$(x-3{)}^2+(y-5{)}^2=7$

D

$(x+3{)}^2+(y+5{)}^2=7$