755 prompts matching "Why completing the square always works"
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Final Revision: Simplifying a fraction whose numerator and denominator are both surds
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WAEC Prep: Rationalising a denominator inside a larger expression
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Final Revision: Checking a conjugate answer by multiplying back
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Quiz: Checking a surd equation for extraneous roots
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Common Mistakes: A surd equation that has no real solution
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Final Revision: A word problem that leads to an equation in surd form
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Learn: What a binary operation actually is
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Quiz: Evaluating a*b from a given rule
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WAEC Prep: Writing a binary operation rule from a description in words
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Common Mistakes: A binary operation that is ordinary addition in disguise
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Learn: What closure means for a binary operation
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Common Mistakes: Closure on a set of three elements under a stated rule
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Learn: What it means for an operation to be commutative
You are my personal SS1 Further Mathematics tutor. Teach me what it means for an operation
Quiz: Reading commutativity off a symmetrical operation table
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Explain Back: What it means for an operation to be associative
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WAEC Prep: An operation that is commutative but not associative
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Quiz: Left distributivity and right distributivity
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Explain Back: Showing distributivity fails by a counter-example
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WAEC Prep: A rule where distributivity holds one way only
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Common Mistakes: Distributivity on a set of three elements
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