755 prompts matching "Checking the solution of three equations by substitution"
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Common Mistakes: Why a rational number added to an irrational one stays irrational
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Learn: What makes two surds similar
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Learn: Simplifying root 72 into its simplest form
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Learn: What a binary operation actually is
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Common Mistakes: A binary operation that is ordinary addition in disguise
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Learn: What closure means for a binary operation
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Learn: What it means for an operation to be commutative
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Learn: What an identity element is
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Common Mistakes: Writing a root as a fractional index before simplifying
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Common Mistakes: Reading a logarithm from a table
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Common Mistakes: Rejecting a root that makes a logarithm undefined
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Learn: What a sequence is, and what a term means
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Learn: What makes a sequence an arithmetic progression
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Common Mistakes: An arithmetic progression with a negative common difference
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Learn: What makes a sequence a geometric progression
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Common Mistakes: Inserting a geometric mean between two numbers
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Common Mistakes: A double inequality such as 2 less than x less than 7
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Common Mistakes: A quadratic inequality that has to be rearranged first
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IGCSE Additional Maths Y10: A mapping diagram, and what it shows — Common Mistakes
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IGCSE Additional Maths Y10: What makes a function one-one — Teach Me
I am a Year 10 pupil taking Cambridge IGCSE Additional Mathematics. Teach me what makes a