698 prompts matching "Finding a coefficient of a cubic given one of its roots"
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Quiz: Checking a surd equation for extraneous roots
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WAEC Prep: Equating the rational and the irrational parts of an equation
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Quiz: Evaluating a*b from a given rule
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Spot My Mistake: A binary operation defined on a set of three elements
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Spot My Mistake: Reading closure off an operation table
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WAEC Prep: A set closed under one operation but not another
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Worked Example: Testing a*b against b*a for a given rule
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Quiz: Reading commutativity off a symmetrical operation table
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Learn: What it means for one operation to distribute over another
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WAEC Prep: A rule where distributivity holds one way only
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Final Revision: Why distributivity links two operations rather than one
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Worked Example: Finding the identity element from a rule such as a*b = a + b - 3
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Quiz: Finding the identity element from an operation table
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Show All Working: An element with no inverse under a given operation
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Learn: Reading index notation, the base and the exponent
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Worked Example: The law for multiplying powers of the same base
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Quiz: The law for dividing powers of the same base
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WAEC Prep: Applying two index laws inside one expression
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Learn: Why any non-zero number to the power nought is one
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Common Mistakes: Writing a root as a fractional index before simplifying
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