1,235 prompts matching "Structured question: quadratic formula with exact surd answer"
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Practice: The ellipse in standard form, and its two axes
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Explain Back: The eccentricity of an ellipse
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Common Mistakes: Identifying a conic from a general second-degree equation
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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
I have just studied the variance of an ungrouped set of data in my SS3 Further Mathematics
Common Mistakes: The coefficient of variation, for comparing two sets
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Worked Example: The sign convention for clockwise and anticlockwise moments
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Practice: A uniform beam resting on two supports
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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
Common Mistakes: The centre of gravity of a uniform lamina
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Worked Example: Relative velocity when two bodies move along the same line
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Practice: The triangle of velocities for a boat crossing a river
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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
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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Practice: A particle on a smooth table connected to a hanging particle
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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
Common Mistakes: What becomes of the tension when the string goes slack
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Worked Example: The normal reaction on a body resting on a smooth incline
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