922 prompts matching "Finding a missing coefficient from a stated sum of roots"
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Learn: The range, and why it is a weak measure of spread
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Worked Example: The interquartile range of a set of ordered data
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Practice: The mean deviation from the mean
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Explain Back: The variance of an ungrouped set of data
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Spot My Mistake: The standard deviation of an ungrouped set of data
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Show All Working: The effect on the standard deviation of adding a constant to every value
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Final Revision: Reading the quartiles off a cumulative frequency curve
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Learn: The moment of a force about a point, and its units
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Common Mistakes: The centre of gravity of a uniform lamina
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Learn: The velocity of one body relative to another
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WAEC Prep: The closest approach of two moving ships
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Common Mistakes: The relative displacement of two bodies after a given time
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Worked Example: The common acceleration of two connected particles
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Spot My Mistake: Two particles on a pulley at the top of an inclined plane
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Common Mistakes: What becomes of the tension when the string goes slack
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WAEC Prep: Limiting equilibrium, with a body on the point of sliding
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Final Revision: The speed of a body when it reaches the foot of an incline
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Worked Example: The acceleration of a body moving round a circle at constant speed
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Spot My Mistake: A body on the end of a string moving in a horizontal circle
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Final Revision: The period and the frequency of circular motion
Act as my WAEC Further Mathematics coach in the last week before the paper. I am in SS 3.