755 prompts matching "IGCSE Additional Maths Y11: Using an expansion to approximate a small power — Sp"
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Learn: What makes a sequence a geometric progression
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Worked Example: Finding the common ratio of a geometric progression
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Quiz: The formula for the nth term of a geometric progression
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Practice: Finding the eighth term of a given 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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Practice: Finding n when the sum of a geometric progression is given
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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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Worked Example: Adding or subtracting the same number on both sides
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Quiz: Multiplying both sides by a positive number
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Practice: Reversing the sign when multiplying by a negative number
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Spot My Mistake: Solving a linear inequality that contains a fraction
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Worked Example: The critical values of a quadratic inequality
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Worked Example: Solving the equation modulus of x equals a
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Spot My Mistake: The graph of y equals modulus of x
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Common Mistakes: Reading a solution set off a graph
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Final Revision: Writing the inequalities that describe a shaded region
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Explain Back: Where the surds sit on the number line
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