3
algebraWhich inequality describes the region OUTSIDE the square with vertices ?
A
or
B
and
C
D
Correct Answer: A
Choice A is the correct answer. De Morgan's Laws applied to geometry.
- Inside Square: AND .
- Outside (Negation): NOT ( AND ).
- Apply Logic: (NOT ) OR (NOT ).
- Result: OR .
?�� Strategic Tip: The negation of "A and B" is "Not A or Not B".
Choice B is incorrect because it describes the corner regions only (diagonal from corners). Choice C is incorrect because it describes the region outside a diamond. Choice D is incorrect because it describes the region outside a circle.