735 prompts matching "Structured question: two quadratics sharing a common root"
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WAEC Prep: Pi and root 2 as the two best-known irrational numbers
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Quiz: Reducing two surds to the same root in order to compare them
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Worked Example: Adding two surds that simplify to the same root
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Spot My Mistake: Finding the common difference from two given terms
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IGCSE Additional Maths Y10: Reading the roots of a quadratic straight off its completed square form — IGCSE Exam Practice
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IGCSE Additional Maths Y10: Two distinct roots, and what the discriminant shows — Worked Example
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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: Finding the range of k for two distinct roots — Spot My Mistake
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IGCSE Additional Maths Y10: The solution set when the two roots are equal — Spot My Mistake
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IGCSE Additional Maths Y10: A quadratic in root x — Worked Example
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Common Mistakes: Expressing root 50 as a multiple of root 2
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Common Mistakes: Expanding the product of two surd brackets
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Common Mistakes: Rationalising a denominator of the form root a over root b
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Common Mistakes: Writing a root as a fractional index before simplifying
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Common Mistakes: Rejecting a root that makes a logarithm undefined
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Common Mistakes: A logarithmic equation that becomes a quadratic
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Common Mistakes: Inserting a geometric mean between two numbers
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Common Mistakes: A quadratic inequality that has to be rearranged first
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IGCSE Additional Maths Y10: Sketching the inverse of a quadratic with a restricted domain — Common Mistakes
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IGCSE Additional Maths Y10: The range of a quadratic function — Common Mistakes
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