743 prompts matching "IGCSE quiz: An inequality whose solution set is empty"
WAEC pitfalls: The region satisfying two inequalities at once
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WAEC pitfalls: Finding a gradient and then the equation from it
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WAEC pitfalls: Dividing consecutive terms of an AP to look for a ratio
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WAEC pitfalls: Checking that a line found really is parallel
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WAEC pitfalls: The surface area of a composite solid and its hidden faces
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WAEC pitfalls: The total surface area of a solid hemisphere including its flat face
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WAEC pitfalls: Reading an intersection off a graph without checking it algebraically
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WAEC pitfalls: The identity relating sine squared and cosine squared
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WAEC pitfalls: Adding the probabilities of events that can happen together
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WAEC pitfalls: A pricing problem where cost varies with two quantities
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WAEC pitfalls: The effect of one extreme value on the mean
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WAEC pitfalls: The reference angle for an angle above ninety degrees
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WAEC pitfalls: Losing a root by dividing through instead of factorising
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WAEC Pitfalls: The two numbers that multiply to c and add to b
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WAEC pitfalls: The region belonging to exactly two of three sets
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WAEC pitfalls: Quoting the mean for data that contains an extreme outlier
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WAEC pitfalls: Finding the constant of a direct variation
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WAEC pitfalls: Why the interpolation formula gives only an estimate
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WAEC pitfalls: The values that make an algebraic fraction undefined
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WAEC pitfalls: Taking a complement without first stating the universal set
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