755 prompts matching "Quiz: Factorising a difference of two squares in order to solve it"
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Final Revision: Describing a sequence in words and then in symbols
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Show All Working: Deciding whether a number belongs to a given 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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Common Mistakes: Proving the sum formula by pairing the terms
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Final Revision: A savings problem modelled by an arithmetic progression
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Show All Working: A geometric progression with a fractional common ratio
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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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Worked Example: Which form of the sum formula to use when r is less than one
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Common Mistakes: A bouncing ball problem, and the total distance travelled
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Final Revision: Proving the sum formula for a geometric progression
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Learn: The four inequality symbols, and what each one means
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Common Mistakes: A double inequality such as 2 less than x less than 7
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Final Revision: A word problem that leads to a linear inequality
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Show All Working: Writing a quadratic solution set in interval form
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Common Mistakes: A quadratic inequality that has to be rearranged first
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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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Spot My Mistake: The graph of y equals modulus of x
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Final Revision: Writing the inequalities that describe a shaded region
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