252 prompts matching "Explain-back: what a matrix inverse actually does"
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Learn: The formula for the sum of the first n terms of an arithmetic progression
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Worked Example: The alternative sum formula that uses the last term
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Worked Example: Finding the common ratio of a geometric progression
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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: Which form of the sum formula to use when r is less than one
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Worked Example: Adding or subtracting the same number on both sides
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Learn: Factorising a quadratic before solving the inequality
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Worked Example: The critical values of a quadratic inequality
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Worked Example: Solving the equation modulus of x equals a
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IGCSE Additional Maths Y10: Deciding whether a relation is a function — IGCSE Exam Practice
I am a Year 10 pupil taking Cambridge IGCSE Additional Mathematics. Set me a past-paper-st
IGCSE Additional Maths Y10: The graph of y equals f of the modulus of x — IGCSE Exam Practice
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IGCSE Additional Maths Y10: Reading the roots of a quadratic straight off its completed square form — IGCSE Exam Practice
I am a Year 10 pupil taking Cambridge IGCSE Additional Mathematics. Set me a past-paper-st
IGCSE Additional Maths Y10: Finding the range of k for no real roots — IGCSE Exam Practice
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IGCSE Additional Maths Y10: A quadratic inequality arising from a discriminant condition — IGCSE Exam Practice
I am a Year 10 pupil taking Cambridge IGCSE Additional Mathematics. Set me a past-paper-st
IGCSE Additional Maths Y10: Returning to the original variable after substituting — IGCSE Exam Practice
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IGCSE Additional Maths Y10: The value of m for which y equals mx plus c is a tangent — IGCSE Exam Practice
I am a Year 10 pupil taking Cambridge IGCSE Additional Mathematics. Set me a past-paper-st
IGCSE Additional Maths Y10: Simplifying a compound fraction using the index laws — IGCSE Exam Practice
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IGCSE Additional Maths Y10: Rationalising in order to compare two surd expressions — IGCSE Exam Practice
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IGCSE Additional Maths Y10: Dividing by a linear expression of the form ax minus b — IGCSE Exam Practice
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IGCSE Additional Maths Y10: A cubic with a repeated factor — IGCSE Exam Practice
I am a Year 10 pupil taking Cambridge IGCSE Additional Mathematics. Set me a past-paper-st