755 prompts matching "Simplify the surd expression sqrt(50) - sqrt(8)"
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Distinguishing gradient sign: positive, negative, zero, undefined
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Common mistakes in coordinate geometry formulas
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Coordinate geometry involving a right-angle condition to find x
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Full worked exam-style problem combining gradient, distance and midpoint
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Coordinate geometry applied to a triangle's area check
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Expanding a product of two brackets
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Expanding a product of three brackets
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Subtracting two algebraic fractions
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Dividing algebraic fractions
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Representing a solution set on a number line
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Solving simultaneous linear equations by substitution
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Solving simultaneous linear equations by elimination
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Solving a word problem using simultaneous equations
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Cross-multiplying to solve an equation with fractions
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Common sign errors in algebraic manipulation
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Common mistakes with composite and inverse functions
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Learn: Telling a rational number from an irrational one
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Quiz: Writing a recurring decimal as a fraction to show it is rational
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Show All Working: Classifying a mixed list of numbers as rational or irrational
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Common Mistakes: Why a rational number added to an irrational one stays irrational
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