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Answer: ASet 1: Linear Inequalities (Intermediate)
Explanation
Which inequality has a solution set of ALL real numbers?
A.
✓ Correct
B.
C.
D.
Detailed Explanation
Choice A is correct. Choice A is the correct answer. Absolute value is always non-negative (). 1. Logic: for any real number. 2. Comparison: Is a non-negative number always greater than -2? Yes. 3. Result: All real numbers. Strategic Tip: Absolute value cannot be negative. is impossible (No Solution). is always true. Choice B is incorrect because it has No Solution. Choice C is incorrect because it excludes numbers between -2 and 2. Choice D is incorrect because it excludes numbers outside -2 and 2.
Key Steps:
•
The correct answer is
Why others are wrong:
B: Choice B is incorrect and may result from a calculation error.
C: Choice C is incorrect and may result from a calculation error.
D: Choice D is incorrect and may result from a calculation error.
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