755 prompts matching "Learn: Swapping and negating the entries when inverting a 2 by 2 matrix"
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Rationalising and then simplifying fully
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Rationalising the denominator when it's a surd minus a surd
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Surds and indices together in one question
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Disjoint sets and what they mean
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Set theory laws: commutative and associative
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Explaining the difference between a sequence and a series
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Alternating sequences and their pattern
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Finding where a line crosses the x-axis and y-axis
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Distance from a point to the centre of a circle
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Simultaneous equations of a line and the coordinate axes
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Factorising the sum and difference of two cubes
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Solving a linear inequality and showing the solution
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Changing the subject when the variable appears twice
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Simplifying an expression with brackets and indices together
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Explaining the difference between an expression and an equation
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WAEC Prep: Pi and root 2 as the two best-known irrational numbers
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Common Mistakes: Expanding the product of two surd brackets
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Learn: Why a surd is never left in the denominator
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Learn: The conjugate of a compound surd expression
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WAEC Prep: Equating the rational and the irrational parts of an equation
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