755 prompts matching "Substituting into the quadratic and tidying up"
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Solving a word problem using simultaneous equations
I am in SS 1. I'm going to explain a word problem that must be solved by setting up and so
Multi-part algebraic manipulation exam question
I am in SS 1. I attempted an Additional Maths question on a Cambridge/Additional Maths sty
Common Mistakes: Why a rational number added to an irrational one stays irrational
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Common Mistakes: Expressing root 50 as a multiple of root 2
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Common Mistakes: A surd equation that has no real solution
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Common Mistakes: A binary operation that is ordinary addition in disguise
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Common Mistakes: Closure on a set of three elements under a stated rule
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Common Mistakes: Distributivity on a set of three elements
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Common Mistakes: Writing a root as a fractional index before simplifying
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Common Mistakes: An indicial equation solved by substitution
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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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Common Mistakes: An arithmetic progression with a negative common difference
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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: Reading a solution set off a graph
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IGCSE Additional Maths Y10: Set-builder notation for a domain — Explain It Back
I am in SS 1. I have just studied set-builder notation for a domain for Cambridge IGCSE Ad
IGCSE Additional Maths Y10: Interval notation for a range — Spot My Mistake
I am a Year 10 pupil taking Cambridge IGCSE Additional Mathematics. Work a question on int
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
IGCSE Additional Maths Y10: Evaluating fg of a given number — Explain It Back
I am in SS 1. I have just studied evaluating fg of a given number for Cambridge IGCSE Addi