755 prompts matching "The zero product rule, and why it works"
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Finding an unknown coordinate using the gradient formula
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Quiz me rapid-fire on gradients and equations of lines
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Coordinate geometry combined with simultaneous equations
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Finding the equation of a median of a triangle
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Changing the subject of a simple formula
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Changing the subject when the variable appears twice
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Substituting values into an algebraic expression
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Factorising a quadratic with a coefficient in front of x squared
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Cross-multiplying to solve an equation with fractions
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Common Mistakes: Why a rational number added to an irrational one stays irrational
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Spot My Mistake: Dividing one surd by another
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Final Revision: Simplifying a fraction whose numerator and denominator are both surds
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Final Revision: Expressing a rationalised answer in the form a root b over c
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Spot My Mistake: Simplifying the denominator once the conjugate has been used
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Practice: Solving an equation with a surd on each side
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Quiz: Evaluating a*b from a given rule
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Common Mistakes: Closure on a set of three elements under a stated rule
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Practice: An operation that is not commutative, with a counter-example
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Practice: Multiplication distributing over addition in ordinary arithmetic
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Spot My Mistake: Checking distributivity from two operation tables
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