9
algebraWhich inequality represents the region outside the circle of radius 3 centered at the origin? (Note: This is a non-linear preview)
A
B
C
D
Correct Answer: A
Choice A is the correct answer. Distance from origin .
- Distance Formula:
- Square both sides:
?�� Strategic Tip: is inside, is outside.
Choice B is incorrect because it represents the inside. Choice C is incorrect because it includes the boundary (not strictly outside). Choice D is incorrect because it represents a half-plane, not a circle.