755 prompts matching "The focus-directrix definition shared by all the conics"
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Worked Example: Rewriting a negative index as a fraction
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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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Common Mistakes: Writing a root as a fractional index before simplifying
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Final Revision: Converting an answer back out of index form
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Worked Example: Solving an indicial equation where one side must be factorised first
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Quiz: An indicial equation that becomes a quadratic in a power
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Spot My Mistake: An indicial equation involving fractional bases
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WAEC Prep: Rejecting a negative answer in an indicial equation
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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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Common Mistakes: Reading a logarithm from a table
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WAEC Prep: Simplifying a logarithmic expression before evaluating it
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Common Mistakes: Rejecting a root that makes a logarithm undefined
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Worked Example: Converting a logarithm to base ten so that tables can be used
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Common Mistakes: A logarithmic equation that becomes a quadratic
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Final Revision: Using change of base to prove a stated relation
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Learn: What a sequence is, and what a term means
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WAEC Prep: A finite sequence and an infinite sequence
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Learn: What makes a sequence an arithmetic progression
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