755 prompts matching "Practice: A cubic with one real root and two complex ones"
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Worked Example: Converting a logarithm to base ten so that tables can be used
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Show All Working: Comparing logarithms given in different bases
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Common Mistakes: A logarithmic equation that becomes a quadratic
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Worked Example: Writing out the terms of a sequence from its nth term
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Show All Working: Deciding whether a given number is a term of a sequence
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Worked Example: Finding the common difference of an arithmetic progression
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Show All Working: Deciding whether a number belongs to a given arithmetic progression
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Worked Example: The alternative sum formula that uses the last term
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Common Mistakes: Proving the sum formula by pairing the terms
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Worked Example: Finding the common ratio of a geometric progression
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Worked Example: Adding or subtracting the same number on both sides
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Show All Working: Writing the solution of an inequality as a set
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Common Mistakes: A double inequality such as 2 less than x less than 7
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Worked Example: The critical values of a quadratic 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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Worked Example: Solving the equation modulus of x equals a
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Common Mistakes: Reading a solution set off a graph
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IGCSE Additional Maths Y10: The domain of a function — Worked Example
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IGCSE Additional Maths Y10: The vertical line test for a function — Show All Working
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