A circle in the standard $(x,y)$ coordinate plane has its center at $(3,-4)$ and passes through $(0,0)$. Which of the following is an equation for that circle?
ACT · Math · previous-year question
- A.$x^2 + y^2 = 5$
- B.$(x - 3)^2 + (y + 4)^2 = 25$
- C.$(x + 3)^2 + (y - 4)^2 = 7$
- D.$(x + 3)^2 + (y - 4)^2 = 25$
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