Find the Equation of the Circle (In Standard Form) with Center

Multiple Choice

Find the equation of the circle (in standard form) with center at $(7,-8)$ and with radius 10.

A) $(x-7) ^{2}+(y+8) ^{2}=100$
B) $\sqrt{(x-7) ^{2}+(y+8) ^{2}}=100$
C) $(x+7) ^{2}-(y-8) ^{2}=100$
D) $(x+7) ^{2}+(y-8) ^{2}=100$