1,326 prompts matching "completing the square when the coefficient of x squared is not one"
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WAEC Prep: Calculating a moment as force times perpendicular distance
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WAEC Prep: The conditions for a particle under three forces to be in equilibrium
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Spot My Mistake: Finding two unknown tensions from three forces in equilibrium
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WAEC Prep: A lamp hanging from two wires, solved by Lami's theorem
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Learn: Finding two unknown forces by Lami's theorem
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WAEC Prep: A probability distribution shown as a bar chart
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WAEC Prep: A random variable, and the values it may take
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Explain Back: A probability distribution table for a discrete random variable
I have just studied a probability distribution table for a discrete random variable in my
WAEC Prep: Expanding p plus q, all to the power n, as a probability model
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Worked Example: Finding a particular term of a binomial expansion
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Quiz: The area under the normal curve, and what it represents
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WAEC Prep: Comparing two values from different normal distributions by z-score
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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: Finding the mean or the standard deviation from a given probability
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WAEC Prep: The probability that a normal variable lies below a given value
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Learn: The probability that a normal variable lies between two values
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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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WAEC Prep: The zero vector, and what it means
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Spot My Mistake: Drawing a vector as a directed line segment
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