755 prompts matching "The mean of a binomial distribution as np"
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Finding an unknown coordinate using the gradient formula
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Expanding a product of two brackets
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Expanding a product of three brackets
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Changing the subject when the variable appears twice
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Changing the subject with a square or square root
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Factorising a quadratic with a coefficient in front of x squared
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Explaining the difference between an expression and an equation
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WAEC Prep: Ordering a list of surds by size
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Show All Working: Deciding whether two given surds are equal without a calculator
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Final Revision: Expressing a rationalised answer in the form a root b over c
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Show All Working: A conjugate where the surd term comes first
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Common Mistakes: A surd equation that has no real solution
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Spot My Mistake: A binary operation defined on a set of three elements
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Show All Working: Evaluating a repeated operation such as a*(b*c)
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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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Final Revision: Why closure is checked before any other property
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Quiz: Reading commutativity off a symmetrical operation table
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Show All Working: An operation that is associative but not commutative
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