624 prompts matching "Quiz: Checking a surd equation for extraneous roots"
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Solve the trigonometric equation cos^2(x) - sin^2(x) = 0.5, for 0 <= x <= 360
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Quiz me on coordinate geometry basics
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Use the quadratic formula on 2x^2 - 3x - 5 = 0
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Use the quadratic formula on x^2 + 4x - 7 = 0
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Use the quadratic formula on 3x^2 + 5x + 1 = 0
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Use the quadratic formula on x^2 - 2x - 2 = 0
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Use the quadratic formula on 4x^2 - 4x - 3 = 0
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Use the quadratic formula on x^2 + x - 1 = 0
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Give me practice with the quadratic formula
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Discriminant and the nature of roots
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Find sum and product of roots of 2x^2 - 5x + 3 = 0
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Find sum and product of roots of x^2 + 4x - 12 = 0
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Find sum and product of roots of 3x^2 + 7x - 6 = 0
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Find sum and product of roots of x^2 - 8x + 15 = 0
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Worked example: solving a quadratic with complex roots
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Quiz me on mean and standard deviation
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Find the value of k: quadratic with equal roots
Set me an Additional Maths exam question of the type 'find the value of k for which the eq
Form a quadratic from a given sum and product
Set me a structured question: given the sum and product of the roots of a quadratic equati
Quiz me on factorising quadratic expressions
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Teach me solving quadratic equations by factorisation
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