1,043 prompts matching "Three roots in arithmetic progression in a cubic"
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Quiz: A cubic with three distinct real roots
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Final Revision: Checking a root of a cubic by substitution
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Worked example: finding a term in an arithmetic progression
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Explain arithmetic and geometric progressions back to me
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Show All Working: Forming an equation whose roots are three alpha and three beta
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Learn: Factorising a cubic into three linear factors
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Explain Back: A cubic with a repeated root
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Quiz me on solving cubic equations
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Spot my mistake solving a cubic equation
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Sum and product of roots of a cubic equation
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Quiz me on arithmetic and geometric progressions
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Final Revision: One root twice the other, and what that gives
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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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Quiz me on the using the discriminant to describe the roots
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Discriminant and the nature of roots
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Find sum and product of roots of 2x^2 - 5x + 3 = 0
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Find sum and product of roots of x^2 + 4x - 12 = 0
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Find sum and product of roots of 3x^2 + 7x - 6 = 0
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Find sum and product of roots of x^2 - 8x + 15 = 0
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