755 prompts matching "Arrangements in which two particular objects must be kept apart"
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Explain Back: What an inverse element is
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WAEC Prep: The inverse of the identity element itself
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Common Mistakes: Checking an inverse by working the operation both ways
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Final Revision: Identity and inverse together, and what they give the set
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Worked Example: The law for multiplying powers of the same base
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Explain Back: The law for a product raised to a power
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Common Mistakes: Why the index laws need the bases to match
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Final Revision: Evaluating a numerical expression using the index laws
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Worked Example: Rewriting a negative index as a fraction
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Practice: A fractional index with numerator one, read as a root
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Explain Back: A fractional index with a numerator above one
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Final Revision: Converting an answer back out of index form
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Practice: Solving 2 to the power x equals 32
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Explain Back: An indicial equation with the unknown in the exponent on both sides
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WAEC Prep: Rejecting a negative answer in an indicial equation
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Common Mistakes: An indicial equation solved by substitution
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Final Revision: Checking an indicial solution by substitution
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Worked Example: Writing an index statement as a logarithm
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Practice: Evaluating log to base 2 of 8
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Explain Back: The logarithm of one, in any base
I have just studied the logarithm of one, in any base in my SS1 Further Mathematics class.