1,477 prompts matching "IGCSE practice: What the spread of the points tells you"
Worked example: Using the power law to simplify a logarithmic expression
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Teach me: The characteristic and the mantissa
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Worked example: Bringing a negative number into the right residue class
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Quiz me: The members common to two sets
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Worked example: The formula for the number in a union
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Worked example: The converse, inverse and contrapositive
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Word problem: The bi-conditional
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Quiz me: The truth table for negation
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Quiz me: Making a letter the subject by one inverse operation
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Worked example: Changing the subject when the letter occurs on both sides
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Word problem: Substituting after rearranging, rather than before
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Worked example: Using the constant to predict a further value
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Teach me: Why completing the square works
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Quiz me: Writing a quadratic in the form (x + a) squared plus b
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Worked example: Substituting into the quadratic formula carefully
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Teach me: The parabola and which way it opens
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Worked example: Solving a related equation by adding a line to the graph
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Quiz me: Finding an arc length from the angle and radius
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Word problem: Arc length when the angle is given in radians
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Quiz me: Finding a sector area from the angle and radius
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