1,081 prompts matching "IGCSE practice: Why replacement keeps each draw independent"
Practice set: The empty set and the universal set
Act as my SS1 Mathematics tutor. Give me five practice questions on the empty set and the
Teach me: All the members of two sets together
You are my personal SS1 Mathematics tutor. Teach me all the members of two sets together,
Practice set: The difference of two sets
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Teach me: What makes a sentence a logical statement
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Practice set: Conjunction, and when it is true
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Teach me: How many rows a truth table needs
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Practice set: The truth table for conjunction and disjunction
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Teach me: What changing the subject of a formula means
You are my personal SS1 Mathematics tutor. Teach me what changing the subject of a formula
Practice set: Changing the subject when the letter is inside a bracket
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Teach me: Direct variation and its constant
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Practice set: Joint variation with two variables
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Teach me: Recognising a quadratic expression
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Practice set: Factorising when that coefficient is not one
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Worked example: Solving by setting each factor to nought
Act as my SS1 Mathematics tutor. Take me through one full worked example on solving by set
Practice set: Factoring out the leading coefficient first
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Teach me: The parabola and which way it opens
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Practice set: The equation of the line of symmetry of a parabola
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Teach me: The arc as a fraction of the circumference
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Practice set: The angle subtended at the centre by an arc of stated length
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Teach me: The sector area as a fraction of the circle
You are my personal SS1 Mathematics tutor. Teach me the sector area as a fraction of the c