742 prompts matching "A singular matrix, and why it has no inverse"
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Final Revision: Approximating a surd to three decimal places
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Quiz: Reducing two surds to the same root in order to compare them
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WAEC Prep: Ordering a list of surds by size
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Common Mistakes: Expressing root 50 as a multiple of root 2
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WAEC Prep: Squaring a single surd
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Final Revision: Expressing a rationalised answer in the form a root b over c
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WAEC Prep: Expressing the answer in the form a plus b root c
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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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Spot My Mistake: Solving a surd equation that leads to a quadratic
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Final Revision: A word problem that leads to an equation in surd form
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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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Final Revision: Deciding whether a given rule really is a binary operation
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Spot My Mistake: Reading closure off an operation table
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Common Mistakes: Closure on a set of three elements under a stated rule
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Spot My Mistake: Testing (a*b)*c against a*(b*c)
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Quiz: The law for dividing powers of the same base
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Spot My Mistake: The law for a quotient raised to a power
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WAEC Prep: Applying two index laws inside one expression
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