755 prompts matching "an AP where the 4th term is 15 and the 9th term is 35, find the first term and c"
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Explain Back: What it means for an operation to be associative
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Spot My Mistake: Testing (a*b)*c against a*(b*c)
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Explain Back: Showing distributivity fails by a counter-example
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Worked Example: Finding the identity element from a rule such as a*b = a + b - 3
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Practice: Why an identity element must work from both sides
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Worked Example: The law for multiplying powers of the same base
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Quiz: The law for dividing powers of the same base
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Quiz: A negative index on a fraction, and turning it upside down
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Spot My Mistake: A negative fractional index
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Quiz: An indicial equation that becomes a quadratic in a power
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Practice: Solving 2 to the power x equals 32
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Worked Example: Writing an index statement as a logarithm
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Quiz: Writing a logarithm as an index statement
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Worked Example: The law for the logarithm of a quotient
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Quiz: The law for the logarithm of a power
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Worked Example: Converting a logarithm to base ten so that tables can be used
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Quiz: Evaluating log to base 3 of 7 by change of base
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Spot My Mistake: A sequence defined by a recurrence relation
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Quiz: The sum of the first fifty natural numbers
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Worked Example: Finding the common ratio of a geometric progression
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