487 prompts matching "Assuming a quadratic with a negative discriminant has no roots at all"
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Learn: Why a surd is never left in the denominator
You are my personal SS1 Further Mathematics tutor. Teach me why a surd is never left in th
WAEC Prep: Rationalising a denominator inside a larger expression
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Final Revision: Expressing a rationalised answer in the form a root b over c
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WAEC Prep: Expressing the answer in the form a plus b root c
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Quiz: Checking a surd equation for extraneous roots
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Spot My Mistake: Solving a surd equation that leads to a quadratic
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WAEC Prep: A set closed under one operation but not another
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WAEC Prep: An operation that is commutative but not associative
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Final Revision: Why brackets matter when an operation is not associative
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Learn: What it means for one operation to distribute over another
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Learn: Reading index notation, the base and the exponent
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Learn: Why any non-zero number to the power nought is one
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Quiz: A negative index on a fraction, and turning it upside down
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Spot My Mistake: A negative fractional index
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Quiz: An indicial equation that becomes a quadratic in a power
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WAEC Prep: Rejecting a negative answer in an indicial equation
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WAEC Prep: Finding how many terms an arithmetic progression has
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Final Revision: A word problem that leads to a quadratic inequality
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IGCSE Additional Maths Y10: Interval notation for a range — Spot My Mistake
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IGCSE Additional Maths Y10: Why only a one-one function has an inverse — IGCSE Exam Practice
I am a Year 10 pupil taking Cambridge IGCSE Additional Mathematics. Set me a past-paper-st