1,469 prompts matching "Solving a 2 by 2 system by the matrix method"
Another worked example: Calculating the Value Added Tax (VAT)
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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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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
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Extra quiz: Disjoint sets, and how to tell them apart
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More practice: Finding the union of two sets
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Another worked example: Using a Venn diagram with three sets
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More WAEC practice: The complement of the union of two sets
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More practice: A linear equation with the unknown in the denominator
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Another worked example: A pair of simultaneous equations from a word problem
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More practice: Solving a word problem involving joint
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Find my error: Writing the equation that represents a direct
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Real-life question: Writing the equation that represents
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Another worked example: Factorising a quadratic whose leading coefficient is not one
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Find my error: Reading the maximum or minimum value off
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Another worked example: Choosing sensible x values for a linear table
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