1,320 prompts matching "Factorising the difference of two squares"
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Worked Example: The interquartile range of a set of ordered data
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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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WAEC Prep: The standard deviation of grouped data using an assumed mean
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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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Quiz: The principle of moments for a body in equilibrium
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Explain Back: Finding the reaction at each support of a loaded beam
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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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Worked Example: Relative velocity when two bodies move along the same line
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Quiz: Relative velocity when the two motions are at right angles
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Practice: The triangle of velocities for a boat crossing a river
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Quiz: The tension in the string joining two connected particles
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Common Mistakes: What becomes of the tension when the string goes slack
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Quiz: The acceleration of a body sliding down a smooth incline
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Explain Back: The angle of friction, and the coefficient of friction
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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
Act as my WAEC Further Mathematics coach in the last week before the paper. I am in SS 3.