755 prompts matching "Find the centre and radius from x^2+y^2-6x+8y-11=0"
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Common Mistakes: Rationalising when both terms of the denominator are surds
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Final Revision: Deciding whether a given rule really is a binary operation
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WAEC Prep: A set closed under one operation but not another
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Final Revision: Why closure is checked before any other property
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Common Mistakes: Subtraction as an example of neither law
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Final Revision: Why distributivity links two operations rather than one
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WAEC Prep: The inverse of the identity element itself
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Common Mistakes: Checking an inverse by working the operation both ways
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Spot My Mistake: The law for a quotient raised to a power
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Show All Working: Simplifying an expression with letters and indices
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Common Mistakes: Why the index laws need the bases to match
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Final Revision: Evaluating a numerical expression using the index laws
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WAEC Prep: Evaluating 8 to the power two-thirds
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Show All Working: Simplifying an expression that mixes the index types
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Spot My Mistake: The logarithm of the base itself
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WAEC Prep: Why the logarithm of a negative number does not exist
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Show All Working: The common logarithm, to base ten
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Spot My Mistake: Evaluating an expression using the laws of logarithms
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Spot My Mistake: A logarithm to base e, the natural logarithm
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WAEC Prep: A finite sequence and an infinite sequence
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