755 prompts matching "Practice: A cubic with one real root and two complex ones"
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Learn: What makes a sequence an arithmetic progression
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Quiz: The formula for the nth term of an arithmetic progression
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Learn: The formula for the sum of the first n terms of an arithmetic progression
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Quiz: The sum of the first fifty natural numbers
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Final Revision: A savings problem modelled by an arithmetic progression
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Learn: What makes a sequence a geometric progression
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Quiz: The formula for the nth term of a geometric progression
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Final Revision: Deciding whether a given sequence is a geometric progression
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Learn: The formula for the sum of the first n terms of a geometric progression
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Quiz: The sum of the first six terms of a given geometric progression
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Spot My Mistake: A compound interest problem modelled by a geometric progression
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Final Revision: Proving the sum formula for a geometric progression
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Quiz: Multiplying both sides by a positive number
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Spot My Mistake: Solving a linear inequality that contains a fraction
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Final Revision: A word problem that leads to a linear inequality
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Learn: Factorising a quadratic before solving the inequality
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Quiz: Using a sketch of the parabola to read off the solution
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Spot My Mistake: The solution when the quadratic expression is less than nought
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Final Revision: A word problem that leads to a quadratic inequality
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Learn: What the modulus of a number means
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