575 prompts matching "Checking a root of a cubic by substitution"
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Final Revision: Proving a logarithmic identity from the laws
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Common Mistakes: A logarithmic equation that becomes a quadratic
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Learn: What a sequence is, and what a term means
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Common Mistakes: The Fibonacci sequence and the rule behind it
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Final Revision: Describing a sequence in words and then in symbols
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Learn: What makes a sequence an arithmetic progression
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Common Mistakes: An arithmetic progression with a negative common difference
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Final Revision: Inserting an arithmetic mean between two numbers
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Learn: What makes a sequence a geometric progression
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Common Mistakes: Inserting a geometric mean between two numbers
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Final Revision: Deciding whether a given sequence is a geometric progression
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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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Learn: Factorising a quadratic before solving the inequality
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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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Final Revision: Writing the inequalities that describe a shaded region
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