1,333 prompts matching "Discriminant and the nature of roots"
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Show All Working: The effect on the standard deviation of adding a constant to every value
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Learn: The moment of a force about a point, and its units
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Explain Back: The angle of friction, and the coefficient of friction
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Final Revision: The period and the frequency of circular motion
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Worked Example: The amplitude, period and frequency of a simple harmonic motion
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Learn: Hooke's law, and what the modulus of elasticity means
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Spot my mistake: Treating the variance of a binomial distribution as its standard deviation
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Spot my mistake: Treating the action and the reaction of Newton's third law as forces acting on the same body
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Structured question: find the nth term and a specific term of an AP
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Find the range of values command word: increasing function
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Find and classify the stationary points of y = x^3 - 6x^2 + 9x + 1
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Domain of a function involving a square root
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Practice: Why complex roots of a real quadratic come in conjugate pairs
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Show All Working: Expressing a number in the form a root b
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Common Mistakes: Solving an equation in which the unknown sits under a root
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Show All Working: Finding a coefficient given a stated relation between the roots
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WAEC Prep: Finding a coefficient of a cubic given one of its roots
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Final Revision: Checking that the roots found satisfy the original equation
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Spot my mistake: Assuming a quadratic with a negative discriminant has no roots at all
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Finding the inverse of a simple linear function
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