748 prompts matching "IGCSE practice: Carrying out one transformation and then another"
Practice set: Cramer's rule as an alternative method
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Practice set: Finding the roots from where the curve cuts the x-axis
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Practice set: Solving simultaneous equations graphically
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Teach me: What linear programming sets out to optimise
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Practice set: Finding the maximum of an objective function
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Spot my mistake: Letting positive and negative deviations cancel
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Practice set: The mean deviation of grouped data
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Spot my mistake: Rounding twice and drifting away from the true value
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Practice set: Estimating an answer by rounding each quantity first
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Practice set: The greatest possible error in a rounded measurement
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Practice set: Finding the principal, rate or time from the interest
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Teach me: The formula for standard deviation of ungrouped data, and what each symbol means
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Teach me: The characteristic and the mantissa of a logarithm
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Teach me: When two events are independent and the product rule applies
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Teach me: The binary multiplication table, and why it is so short
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Teach me: The complement of a set and the universal set it depends on
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Teach me: The range, the quartiles and the interquartile range defined
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Quiz me: The great circle distance formula and the radius of the earth
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Quiz me: The truth table for 'and' set beside the truth table for 'or'
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Quiz Me: Volume of a cone
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