755 prompts matching "The inverse of a 2 by 2 matrix with a fractional determinant"
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Coordinate geometry proof: right-angled triangle
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Coordinate geometry proof: isosceles triangle
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Gradient as a rate of change interpretation
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Finding an unknown coordinate using the gradient formula
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Coordinate geometry combined with simultaneous equations
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Expanding a product of two brackets
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Expanding a product of three brackets
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Factorising by taking out a common factor
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Solving a linear inequality and showing the solution
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Cross-multiplying to solve an equation with fractions
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WAEC Prep: Pi and root 2 as the two best-known irrational numbers
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Quiz: Reducing two surds to the same root in order to compare them
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Common Mistakes: Expressing root 50 as a multiple of root 2
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Quiz: Subtracting one surd from another
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Practice: Multiplying a whole number by a surd
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Explain Back: Multiplying root a by root b
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Spot My Mistake: Rationalising and then cancelling a common factor
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Spot My Mistake: Simplifying the denominator once the conjugate has been used
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WAEC Prep: Expressing the answer in the form a plus b root c
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Practice: Solving an equation with a surd on each side
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