483 prompts matching "Quiz: A cubic with three distinct real roots"
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Show All Working: Deciding whether two given surds are equal without a calculator
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Common Mistakes: Expressing root 50 as a multiple of root 2
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Worked Example: Adding two surds that simplify to the same root
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Practice: Rationalising a denominator with a whole number multiplying the surd
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Common Mistakes: Rationalising a denominator of the form root a over root b
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Practice: Rationalising a denominator of the form a plus root b over c minus root d
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Practice: Solving an equation with a surd on each side
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Show All Working: Finding a and b when a plus b root 2 equals a given surd
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Common Mistakes: A surd equation that has no real solution
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Common Mistakes: Closure on a set of three elements under a stated rule
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Practice: An operation that is not commutative, with a counter-example
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Common Mistakes: Distributivity on a set of three elements
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Show All Working: An element with no inverse under a given operation
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Show All Working: Simplifying an expression with letters and indices
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Common Mistakes: Writing a root as a fractional index before simplifying
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Common Mistakes: Rejecting a root that makes a logarithm undefined
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Common Mistakes: An arithmetic progression with a negative common difference
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Spot My Mistake: The sum of an arithmetic progression with a negative common difference
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WAEC Prep: A geometric progression with a negative common ratio
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Show All Working: A geometric progression with a fractional common ratio
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