1,040 prompts matching "Sum and product of roots of a cubic exam question"
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Learn: The sum of the roots as minus b over a
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Spot My Mistake: Finding a missing coefficient from a stated product of roots
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Common Mistakes: A symmetric function needing the sum and product twice over
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Final Revision: Checking a root of a cubic by substitution
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Worked Example: Halving the coefficient of x and squaring it
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Quiz: Finding the sum and the product without solving the equation
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Practice: Forming an equation from a given sum and product
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Explain Back: Finding a missing coefficient from a stated sum of roots
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Worked Example: Testing a list of candidates to find a factor
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Worked Example: Factorising a cubic into a linear and a quadratic factor
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Worked Example: How many roots a cubic equation has
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Practice: A cubic with one real root and two complex ones
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IGCSE Additional Maths Y11: The amplitude and period read off a sine graph — Worked Example
I am a Year 11 pupil taking Cambridge IGCSE Additional Mathematics. Take me through one co
IGCSE Additional Maths Y11: Writing tan x in terms of sin x and cos x — Worked Example
I am a Year 11 pupil taking Cambridge IGCSE Additional Mathematics. Take me through one co
IGCSE Additional Maths Y11: The sum of the coefficients of an expansion — IGCSE Exam Practice
I am a Year 11 pupil taking Cambridge IGCSE Additional Mathematics. Set me a past-paper-st
IGCSE Additional Maths Y11: The resultant velocity of an aircraft and the wind — Worked Example
I am a Year 11 pupil taking Cambridge IGCSE Additional Mathematics. Take me through one co
IGCSE Additional Maths Y11: Differentiating a product of a trigonometric ratio and a polynomial — Spot My Mistake
I am a Year 11 pupil taking Cambridge IGCSE Additional Mathematics. Work a question on dif
IGCSE Additional Maths Y11: The integral of a sum of terms — Worked Example
I am a Year 11 pupil taking Cambridge IGCSE Additional Mathematics. Take me through one co
Discriminant and the nature of roots
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WAEC exam question on cubic equations
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