1,322 prompts matching "Practice: Working through a quadratic by completing the square, step by step"
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Quiz: The semi-interquartile range
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Explain Back: The variance of an ungrouped set of data
I have just studied the variance of an ungrouped set of data in my SS3 Further Mathematics
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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Common Mistakes: The coefficient of variation, for comparing two sets
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Final Revision: Reading the quartiles off a cumulative frequency curve
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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
I have just studied finding the reaction at each support of a loaded beam in my SS3 Furthe
Spot My Mistake: The point at which a loaded beam will tip about its support
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WAEC Prep: A couple, and why its moment is the same about every point
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Common Mistakes: The centre of gravity of a uniform lamina
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Final Revision: A ladder leaning against a wall, and the moments acting on it
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Quiz: Relative velocity when the two motions are at right angles
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Explain Back: The course to steer so that a boat crosses straight over
I have just studied the course to steer so that a boat crosses straight over in my SS3 Fur
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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Final Revision: Interception, where one body must catch another
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Quiz: The tension in the string joining 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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WAEC Prep: A car towing a trailer, and the force in the tow bar
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