755 prompts matching "Why does completing the square work"
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Learn: The conjugate of a compound surd expression
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Quiz: Rationalising a denominator of the form one over 2 plus root 3
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WAEC Prep: Expressing the answer in the form a plus b root c
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Common Mistakes: Rationalising when both terms of the denominator are surds
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Explain Back: Solving an equation where the surd must be isolated first
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WAEC Prep: Equating the rational and the irrational parts of an equation
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Explain Back: A binary operation defined on the integers
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Final Revision: Deciding whether a given rule really is a binary operation
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Quiz: Testing the odd numbers for closure under addition
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Explain Back: Testing the integers for closure under division
I have just studied testing the integers for closure under division in my SS1 Further Math
WAEC Prep: A set closed under one operation but not another
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Common Mistakes: Subtraction as an example of neither law
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Learn: What it means for one operation to distribute over another
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Quiz: Finding the identity element from an operation table
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WAEC Prep: The inverse of the identity element itself
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Final Revision: Identity and inverse together, and what they give the set
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Learn: Reading index notation, the base and the exponent
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Quiz: The law for dividing powers of the same base
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Explain Back: The law for a product raised to a power
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Final Revision: Evaluating a numerical expression using the index laws
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