1,333 prompts matching "Checking an inverse by working the operation both ways"
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Worked Example: Finding one over alpha plus one over beta
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Quiz: Finding alpha cubed plus beta cubed
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WAEC Prep: Sketching a cubic from its factorised form
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WAEC Prep: Finding a coefficient of a cubic given one of its roots
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Common Mistakes: Three roots in geometric progression in a cubic
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Quiz: Solving a quadratic inequality using a sign table
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WAEC Prep: Writing a solution set in interval notation
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WAEC Prep: Circular permutations of n objects round a table
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Quiz: Choosing a committee of r people from n
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Common Mistakes: Selections in which at least one of a kind must appear
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WAEC Prep: A phase shift in y equals sin of x minus d
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Common Mistakes: Identifying a conic from a general second-degree equation
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Final Revision: Showing that a given motion is simple harmonic
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WAEC Prep: Two elastic strings supporting one particle
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Spot my mistake in a Pascal's row truth table
I am in SS 3. I will show you my attempt at a truth table for a compound proposition with
Quiz me on nPr versus nCr notation
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Structured question: fully factorise x^3 - 2x^2 - 5x + 6
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Explain Back: Showing that a system of concurrent forces is in equilibrium
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Explain Back: Converting a value to a z-score
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Explain Back: Forming a quadratic equation with given complex roots
I have just studied forming a quadratic equation with given complex roots in my SS3 Furthe