658 prompts matching "IGCSE-style question: Deciding whether two lines are parallel from their equatio"
WAEC pitfalls: Reading an intersection off a graph without checking it algebraically
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WAEC Pitfalls: Using logarithm tables for multiplication
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WAEC pitfalls: Adding the probabilities of events that can happen together
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WAEC pitfalls: Carrying wrongly when adding partial products in base 2
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WAEC pitfalls: Events wrongly treated as mutually exclusive
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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 number of terms needed to reach a given sum
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WAEC pitfalls: Expressing an inequality solution in set notation
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WAEC pitfalls: Quoting the mean for data that contains an extreme outlier
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WAEC pitfalls: Finite, infinite and equal sets distinguished
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WAEC pitfalls: Taking the coordinates in the wrong order when finding a gradient
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WAEC pitfalls: The residue classes of a given modulus
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WAEC pitfalls: Finding the constant of a direct variation
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WAEC pitfalls: Reading the fractional digits of a converted number in the wrong direction
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WAEC pitfalls: A three-set problem in which one region is unknown
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WAEC pitfalls: Why the interpolation formula gives only an estimate
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WAEC pitfalls: Evaluating a negative expression modulo n
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WAEC pitfalls: The values that make an algebraic fraction undefined
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