787 prompts matching "Explaining why we rationalise denominators"
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Show All Working: Solving a quadratic by completing the square
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Final Revision: Solving a disguised quadratic by substitution
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Learn: Finding alpha squared plus beta squared from the sum and product
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Worked Example: Finding one over alpha plus one over beta
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Quiz: Finding alpha cubed plus beta cubed
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Spot My Mistake: Forming an equation whose roots are alpha squared and beta squared
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WAEC Prep: Forming an equation whose roots are alpha over beta and beta over alpha
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Learn: The degree of a polynomial and its leading coefficient
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Worked Example: Evaluating a polynomial by substitution
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Quiz: The factor theorem, and testing whether x minus a is a factor
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Spot My Mistake: The factor theorem for a divisor of the form ax minus b
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WAEC Prep: Sketching a cubic from its factorised form
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Show All Working: Solving a cubic equation by factorisation
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Final Revision: The zeros of a polynomial and where its graph cuts the x-axis
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Learn: The sum of the roots of a cubic read from its coefficients
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Worked Example: The sum of the products of the roots of a cubic taken two at a time
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Quiz: The product of the roots of a cubic
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WAEC Prep: Finding a coefficient of a cubic given one of its roots
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Show All Working: Three roots in arithmetic progression in a cubic
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Final Revision: Checking that the roots found satisfy the original equation
Act as my WAEC Further Mathematics coach in the last week before the paper. I am in SS 3.