1,469 prompts matching "Solving by multiplying through by the inverse matrix"
More practice: The reciprocal (negative index) law of indices
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Find my error: A power of m over n as a root and a power together
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More WAEC practice: Deciding the power of ten when a number is written in standard form
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Teach me again: Deciding how many places to move the decimal point
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Find my error: Finding the logarithm of a number greater
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Real-life question: Finding the antilogarithm of a number
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More WAEC practice: Subtracting the logarithms when dividing with tables
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More practice: Locating the decimal point correctly after using logarithm tables
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Real-life question: Finding the original quantity after an increase in a given ratio
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Another worked example: Finding the original quantity after a decrease in a given ratio
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More WAEC practice: Deciding which of two ratios is the greater
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Teach me again: Converting a rate from one pair of units to another
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Extra quiz: Finding the rate or the time from a given interest
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More practice: Finding the principal, rate or time
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Find my error: Using letters of the alphabet to represent
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Real-life question: Expanding a bracket and then simplifying
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Another worked example: Simplifying an expression containing a fraction
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Extra quiz: The sign of the numerator when subtracting algebraic fractions
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More practice: Factorising an algebraic expression by finding
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Teach me again: Why the empty set is a subset of every set
Act as my SS1 Mathematics tutor. I did not follow why the empty set is a subset of every s