1,326 prompts matching "What the formula gives when the discriminant is nought"
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WAEC Prep: The shape and the symmetry of the normal curve
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WAEC Prep: Comparing two values from different normal distributions by z-score
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WAEC Prep: The z-score of a value that lies below the mean
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Worked Example: Finding a value from a given probability by working backwards
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WAEC Prep: The probability that a normal variable exceeds the mean by more than one standard deviation
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WAEC Prep: A question whose wording hides which distribution is meant
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WAEC Prep: Choosing between a binomial and a Poisson model
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Spot My Mistake: Drawing a vector as a directed line segment
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WAEC Prep: The position of a point in space written as a vector
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WAEC Prep: A three-dimensional vector parallel to another
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Quiz: The direction cosines of a vector in three dimensions
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WAEC Prep: The magnitude of a vector after multiplication by a scalar
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WAEC Prep: The magnitude of a two-dimensional vector
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Practice: The magnitude of the sum of two vectors
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Practice: A vector of stated magnitude in a given direction
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WAEC Prep: The position vector of a point dividing a line in a ratio
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WAEC Prep: The position vector of a point relative to the origin
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WAEC Prep: The parallelogram law of vector addition
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WAEC Prep: The dot product of a vector with itself
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WAEC Prep: The dot product used to find the work done by a force
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