1,334 prompts matching "Spot the examiner's trick in a factorisation question"
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Learn: Finding lambda from a stated mean
You are my personal SS3 Further Mathematics tutor. Teach me finding lambda from a stated m
Quiz: The standard deviation of a Poisson distribution
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Learn: The mean, median and mode of a normal distribution
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Quiz: The area under the normal curve, and what it represents
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Explain Back: Converting a value to a z-score
I have just studied converting a value to a z-score in my SS3 Further Mathematics class. L
Worked Example: Finding a value from a given probability by working backwards
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Learn: The probability that a normal variable lies between two values
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Quiz: Writing a two-dimensional vector as a column
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Practice: The components of a vector given its magnitude and direction
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Learn: The magnitude of a three-dimensional vector
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Quiz: The direction of a vector as an angle with the x-axis
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Practice: The magnitude of the sum of two vectors
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Learn: The unit vectors i, j and k
You are my personal SS3 Further Mathematics tutor. Teach me the unit vectors i, j and k, w
Practice: A vector of stated magnitude in a given direction
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Worked Example: The triangle law of vector addition
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Worked Example: Testing two vectors for perpendicularity
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Learn: The angle between a vector and one of the axes
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Worked Example: The powers of i, and the cycle they follow
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Practice: Equating real and imaginary parts to find two unknowns
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Worked Example: Squaring a complex number
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