755 prompts matching "Teach me probability using permutations and combinations"
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Finding a sequence's sum between two term numbers
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Equation of a line through two given points
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Finding the point of intersection of two lines
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Deciding if three points are collinear
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Distinguishing gradient sign: positive, negative, zero, undefined
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Factorising by taking out a common factor
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Multiplying two algebraic fractions
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Dividing algebraic fractions
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Solving simultaneous linear equations by elimination
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Changing the subject of a simple formula
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Factorising a quadratic with a coefficient in front of x squared
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Multi-part algebraic manipulation exam question
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Cross-multiplying to solve an equation with fractions
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WAEC-style past question on algebraic fractions
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Common sign errors in algebraic manipulation
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Quiz: Writing a recurring decimal as a fraction to show it is rational
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Practice: Deciding whether root 16 is rational or irrational
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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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Final Revision: Approximating a surd to three decimal places
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