514 prompts matching "Solving a quadratic whose discriminant is negative"
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Practice: Finding the nth term of a quadratic sequence
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Show All Working: Deciding whether a given number is a term of a sequence
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Common Mistakes: The Fibonacci sequence and the rule behind it
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Practice: Finding n when the sum of an arithmetic progression is given
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Common Mistakes: Proving the sum formula by pairing the terms
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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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Worked Example: Which form of the sum formula to use when r is less than one
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Practice: Finding n when the sum of a geometric progression is given
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Explain Back: The sum of a geometric progression with a negative common ratio
I have just studied the sum of a geometric progression with a negative common ratio in my
Show All Working: The sum to infinity of a geometric progression, and when it exists
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Common Mistakes: A bouncing ball problem, and the total distance travelled
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Practice: Reversing the sign when multiplying by a negative number
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Explain Back: Solving a linear inequality that contains brackets
I have just studied solving a linear inequality that contains brackets in my SS1 Further M
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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Practice: Using a table of signs to solve a quadratic inequality
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Worked Example: Solving the equation modulus of x equals a
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Quiz: Solving modulus of x less than a
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Practice: Solving modulus of x greater than a
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