970 prompts matching "Rationalising and then simplifying fully"
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Explain Back: Finding a coefficient so that a stated expression is a factor
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Learn: Factorising a cubic into three linear factors
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Quiz: Factorising a polynomial by grouping terms
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Explain Back: A polynomial with a repeated linear factor
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Learn: Solving a cubic once it has been factorised
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Worked Example: How many roots a cubic equation has
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Quiz: A cubic with three distinct real roots
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Explain Back: A cubic with a repeated root
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Learn: What makes a sentence a proposition
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Worked Example: Sentences that are not propositions
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Quiz: The truth value of a simple proposition
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Explain Back: The disjunction of two propositions
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Learn: How many rows a truth table needs
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Worked Example: Conjunction in a three-variable truth table
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Explain Back: The truth table for a statement with two connectives
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Worked Example: The truth table for the conditional
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Quiz: Why a conditional with a false antecedent counts as true
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Explain Back: The inverse of a conditional
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Worked Example: The truth table for the biconditional
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Quiz: The biconditional as two conditionals taken together
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