1,005 prompts matching "Solving an equation by first applying a double angle formula"
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Practice: Working through a quadratic by completing the square, step by step
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Practice: The remainder on dividing by 2x minus 1
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Solve x^2 + 5x + 6 = 0 by factorisation
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Solve x^2 - 7x + 12 = 0 by factorisation
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Solve 2x^2 + 7x + 3 = 0 by factorisation
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Solve x^2 - 3x - 10 = 0 by factorisation
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Solve 3x^2 - 5x - 2 = 0 by factorisation
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Solve x^2 - 6x + 9 = 0 by factorisation
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Solve 2x^2 - 11x + 5 = 0 by factorisation
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Solve x^2 + x - 12 = 0 by factorisation
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Discriminant and the nature of roots
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Quiz me on the sum and product of the roots of a cubic
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Give me practice on sum and product of roots
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Build a quadratic equation from given roots
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WAEC question on sum and product of roots
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Worked example: is this line tangent to this curve
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Spot my mistake finding a tangent condition
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Worked example: dividing a cubic by a linear polynomial
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Quiz me on polynomial division by a quadratic divisor
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Divide a polynomial by a quadratic
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