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Identify a QUADRATIC inequality (not a linear inequality).
A3x - 5 ≤ 0
Bx² + 5x - 6 > 0
C4x ≥ 100
D2x + 3y > 12
Answer & Solution
Correct answer: B. x² + 5x - 6 > 0
A quadratic inequality has x² as the highest-degree term. x² + 5x - 6 > 0 is quadratic. The other three are linear (degree 1).
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