755 prompts matching "The relations between roots and coefficients for a quartic"
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Solving simultaneous linear equations by elimination
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Substituting values into an algebraic expression
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Multi-part algebraic manipulation exam question
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Cross-multiplying to solve an equation with fractions
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WAEC-style past question on algebraic fractions
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Show All Working: Classifying a mixed list of numbers as rational or irrational
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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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Worked Example: What makes two surds equal
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WAEC Prep: Ordering a list of surds by size
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Final Revision: Surds that cannot be combined at all
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WAEC Prep: Squaring a single surd
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Show All Working: Simplifying a surd expression that contains brackets
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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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Show All Working: Checking a rationalised answer by decimal approximation
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Final Revision: Checking a conjugate answer by multiplying back
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Worked Example: Squaring both sides safely when solving a surd equation
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Common Mistakes: A surd equation that has no real solution
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WAEC Prep: Writing a binary operation rule from a description in words
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