1,044 prompts matching "Rationalising the denominator when it's a surd minus a surd"
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Structured question: new equation with roots 1/alpha and 1/beta
I am in SS 2. Set me a multi-part question where I first find the sum and product of the r
Non-calculator paper: subtract polynomials and state the degree
Set me a non-calculator question where I subtract one polynomial from another, simplify, a
Practice: Working through a quadratic by completing the square, step by step
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Practice: Giving the roots correct to two decimal places
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Show All Working: Choosing between factorising and the formula
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Worked Example: The product of the roots as c over a
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Practice: The value of alpha to the fourth plus beta to the fourth
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Practice: Finding the matching value of the second unknown
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Show All Working: A simultaneous pair in which the second equation is a circle
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Worked Example: The discriminant used as the test for intersection
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Worked Example: The degree of a polynomial in one variable
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Show All Working: Synthetic division as a shorter route
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Show All Working: What the factor theorem says about the roots
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Practice: Factorising a quartic as the product of two quadratics
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Show All Working: Reading the final column of a truth table
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Show All Working: The distributive laws in logic
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Show All Working: The negation of a tautology
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Show All Working: The fallacy of affirming the consequent
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Worked Example: Selections in which the order does not matter
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Show All Working: The complement rule used in a counting problem
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