1,312 prompts matching "Completing the square when the roots are not real"
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Quiz: Recovering the original force from its two components
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Quiz: The magnitude of the resultant of several coplanar forces
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Explain Back: The forces acting on a body hanging from two strings
I have just studied the forces acting on a body hanging from two strings in my SS3 Further
Spot My Mistake: Drawing the triangle of forces to scale to find an unknown force
Act as my SS3 Further Mathematics tutor. Work a question on drawing the triangle of forces
Explain Back: Why the total moment about any point must be nought
I have just studied why the total moment about any point must be nought in my SS3 Further
Quiz: The coefficient of friction between two surfaces
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Quiz: The point about which the total moment of a set of forces vanishes
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Explain Back: Locating the point of concurrence on a diagram
I have just studied locating the point of concurrence on a diagram in my SS3 Further Mathe
Spot My Mistake: Using concurrence to find the direction of an unknown third force
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Quiz: A rod resting against a wall, and the concurrence of its three forces
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WAEC Prep: A knot held in equilibrium by three strings
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through a knot held in equ
Spot My Mistake: Why the probabilities in a distribution must sum to one
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Explain Back: The binomial probability formula
I have just studied the binomial probability formula in my SS3 Further Mathematics class.
Spot My Mistake: The probability of exactly r successes in n trials
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Quiz: The situations a Poisson distribution models
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Quiz: The standard deviation of a Poisson distribution
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Spot My Mistake: The proportion of a normal distribution within one, two and three standard deviations
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Spot My Mistake: Reading a probability from the standard normal table
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Quiz: The probability in the upper tail of a normal distribution
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WAEC Prep: When a Poisson distribution approximates a binomial one
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through when a Poisson dis