1,334 prompts matching "IGCSE Additional Maths Y10: A quadratic in root x — Worked Example"
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Show All Working: Finding a coefficient given a stated relation between the roots
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Common Mistakes: Symmetric functions when the three roots of a cubic are involved
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Worked Example: Evaluating a polynomial by substitution
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Practice: Finding the third root of a cubic when two are known
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Explain Back: Forming a cubic equation whose three roots are given
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WAEC Prep: Finding a coefficient of a cubic given one of its roots
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Show All Working: Three roots in arithmetic progression in a cubic
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Common Mistakes: Three roots in geometric progression in a cubic
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Final Revision: Checking that the roots found satisfy the original equation
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Quiz: Solving a quadratic inequality using a sign table
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Worked Example: The number of arrangements of n different objects in a row
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Worked Example: The difference between a permutation and a combination
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Worked Example: Solving cos x equals a negative value, and finding both solutions
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Explain Back: Solving a quadratic in sin x
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Worked Example: The shape, period and range of the cosine curve
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Worked Example: The midpoint formula applied to a given segment
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Worked Example: The parametric form of a point on a parabola
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Worked Example: The interquartile range of a set of ordered data
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Worked Example: Relative velocity when two bodies move along the same line
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Worked Example: The normal reaction on a body resting on a smooth incline
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