755 prompts matching "The discriminant, and what each of its three cases means"
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Common Mistakes: A quadratic inequality that has to be rearranged first
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IGCSE Additional Maths Y10: Set-builder notation for a domain — Explain It Back
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IGCSE Additional Maths Y10: Why only a one-one function has an inverse — IGCSE Exam Practice
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IGCSE Additional Maths Y10: Solving a modulus equation algebraically by squaring — Explain It Back
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IGCSE Additional Maths Y10: Solving an inequality that contains two modulus expressions — Show All Working
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IGCSE Additional Maths Y10: Where a modulus graph meets a straight line — Common Mistakes
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IGCSE Additional Maths Y10: Proving that a quadratic expression is always positive — Show All Working
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IGCSE Additional Maths Y10: Finding k so that a quadratic has equal roots — Explain It Back
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IGCSE Additional Maths Y10: A quadratic hidden inside a reciprocal expression — Explain It Back
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IGCSE Additional Maths Y10: A quartic equation solved as a quadratic — Common Mistakes
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IGCSE Additional Maths Y10: A line meeting a circle — Common Mistakes
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IGCSE Additional Maths Y10: An algebraic expression carrying a fractional index — Explain It Back
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IGCSE Additional Maths Y10: Solving an equation with an algebraic index — Show All Working
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IGCSE Additional Maths Y10: Rationalising a denominator inside a coordinate geometry answer — Quiz Me
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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: Finding a remainder by substitution alone — Explain It Back
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IGCSE Additional Maths Y10: Checking a polynomial division by multiplying back — Common Mistakes
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IGCSE Additional Maths Y10: A cubic with a repeated factor — IGCSE Exam Practice
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IGCSE Additional Maths Y10: Sketching a cubic once it has been factorised — Show All Working
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IGCSE Additional Maths Y10: A cubic with only one real root — Common Mistakes
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