6. Considering the following circle, the point (-4,4) is: a) On the circle c) outside the circle b) Inside the circle d) in the middle 7. For the previous question, find an equation for the circle is: a) x2 + y2 = 2 c) x2 + y2 = 4 b) x2 + y2 = 16 d) x2 + y2 = 8