755 prompts matching "Solving two simultaneous equations by multiplying by the inverse"
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Show All Working: Showing a set is not closed by a single counter-example
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Explain Back: Showing distributivity fails by a counter-example
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Spot My Mistake: Checking distributivity from two operation tables
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Explain Back: What an inverse element is
I have just studied what an inverse element is in my SS1 Further Mathematics class. Let me
WAEC Prep: Applying two index laws inside one expression
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Show All Working: Simplifying an expression that mixes the index types
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Quiz: An indicial equation that becomes a quadratic in a power
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Spot My Mistake: An indicial equation involving fractional bases
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WAEC Prep: Rejecting a negative answer in an indicial equation
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Final Revision: Checking an indicial solution by substitution
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Show All Working: The common logarithm, to base ten
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Practice: Combining two logarithms into one
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Quiz: Evaluating log to base 3 of 7 by change of base
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Common Mistakes: A logarithmic equation that becomes a quadratic
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Spot My Mistake: A sequence defined by a recurrence relation
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Show All Working: Deciding whether a given number is a term of a sequence
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Show All Working: Deciding whether a number belongs to a given arithmetic progression
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Final Revision: Inserting an arithmetic mean between two numbers
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Final Revision: A savings problem modelled by an arithmetic progression
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Common Mistakes: Inserting a geometric mean between two numbers
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