980 prompts matching "Explain-back: my understanding of Cramer's rule"
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Worked example: differentiate y = (2x-1)(x+3) after expanding it first
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Final Revision: A word problem solved by factorising a quadratic
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Final Revision: Why completing the square always works
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Final Revision: A word problem solved with the quadratic formula
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Final Revision: One root twice the other, and what that gives
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Final Revision: Using a symmetric function to find an unknown coefficient
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Final Revision: Checking both solutions in both equations
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Final Revision: A word problem about a line and a parabola
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Final Revision: A word problem that uses the remainder theorem
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Final Revision: A factor theorem question set in the WAEC style
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Final Revision: Checking a factorisation by expanding it again
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Final Revision: A compound proposition built from three simple ones
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Final Revision: A conditional statement set in an everyday situation
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Final Revision: A biconditional used in a mathematical definition
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Final Revision: A longer statement tested for tautology
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Final Revision: An argument written in words and tested for validity
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Final Revision: A word problem about seating at a round table
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Final Revision: A word problem about choosing a delegation
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Final Revision: A word problem about a lottery draw
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Final Revision: A question asking for two coefficients to be equal
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