1,154 prompts matching "Checking a factorisation by expanding it again"
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Spot My Mistake: The foci of an ellipse
Act as my SS3 Further Mathematics tutor. Work a question on the foci of an ellipse with on
Show All Working: The rectangular hyperbola xy equals c squared
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Common Mistakes: Identifying a conic from a general second-degree equation
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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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Show All Working: The effect on the standard deviation of adding a constant to every value
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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
Act as my SS3 Further Mathematics tutor and quiz me on the principle of moments for a body
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
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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Show All Working: The time at which two bodies are nearest one another
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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
Act as my WAEC Further Mathematics coach in the last week before the paper. I am in SS 3.
Quiz: The tension in the string joining two connected particles
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Explain Back: A particle on a rough table connected to a hanging particle
I have just studied a particle on a rough table connected to a hanging particle in my SS3
Spot My Mistake: Two particles on a pulley at the top of an inclined plane
Act as my SS3 Further Mathematics tutor. Work a question on two particles on a pulley at t