755 prompts matching "Find the tangent to y = x^2 - 4x + 7 at x = 3"
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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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Explaining the difference between an expression and an equation
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Worked Example: Why the square root of a non-square whole number is irrational
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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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Spot My Mistake: The decimal expansion of an irrational number, and why it never repeats
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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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Quiz: Reducing two surds to the same root in order to compare them
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Final Revision: Simplifying a fraction whose numerator and denominator are both surds
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Worked Example: Rationalising a denominator that is a single surd
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WAEC Prep: Rationalising a denominator inside a larger expression
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Final Revision: Expressing a rationalised answer in the form a root b over c
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Learn: The conjugate of a compound surd expression
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Worked Example: Why multiplying by the conjugate clears the surd
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Explain Back: Solving an equation where the surd must be isolated first
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Spot My Mistake: Solving a surd equation that leads to a quadratic
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Final Revision: A word problem that leads to an equation in surd form
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Worked Example: Reading the symbol used for a binary operation
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