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10 cards from this deck
Like linear equation but uses inequality symbols, power = 1
Equations: single point; Inequalities: solution set (range)
Reverse the direction of the inequality sign
Value is included in solution (≤ or ≥)
Value is NOT included in solution (< or >)
Endpoint is NOT included
Endpoint IS included
Always use round brackets
r<4r < 4r<4 (multiply by -1, flip sign)
Forgetting to flip sign when multiplying/dividing by negative
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