755 prompts matching "Restricting the domain so an inverse exists"
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Worked Example: Writing out the terms of a sequence from its nth term
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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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Worked Example: The alternative sum formula that uses the last term
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Common Mistakes: Proving the sum formula by pairing the terms
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Worked Example: Finding the common ratio of a geometric progression
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Common Mistakes: Inserting a geometric mean between two numbers
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Learn: The formula for the sum of the first n terms of a geometric progression
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Worked Example: Adding or subtracting the same number on both sides
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Spot My Mistake: Solving a linear inequality that contains a fraction
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Common Mistakes: A double inequality such as 2 less than x less than 7
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Worked Example: The critical values of a quadratic inequality
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Practice: Using a table of signs to solve a quadratic inequality
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Show All Working: Writing a quadratic solution set in interval form
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Common Mistakes: A quadratic inequality that has to be rearranged first
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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: A mapping diagram, and what it shows — Common Mistakes
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IGCSE Additional Maths Y10: Solving a modulus equation graphically — Practice Set
I am a Year 10 pupil taking Cambridge IGCSE Additional Mathematics. Set me a practice set
IGCSE Additional Maths Y10: Solving a modulus equation algebraically by squaring — Explain It Back
I am in SS 1. I have just studied solving a modulus equation algebraically by squaring for