Write an equation for the translation of x 2 + y 2 = 16 by 8 units left and 3 units down.

Answer 1

I bet you mean

x^2 + y^2 = 16

well we could do it right or we could cheat and say we want a circle with center at (-8 ,-3)
(x+3)^2 + (y+3)^2 = 4^2

Answer 2

42