654 prompts matching "Practice: Why a 2 by 2 matrix with determinant nought cannot be inverted"
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WAEC question requiring completing the square
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Derive the quadratic formula
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Teach me the deriving the quadratic formula
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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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Quiz me on the using the discriminant to describe the roots
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Discriminant and the nature of roots
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Teach me writing the sum and product of the roots from the coefficients
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Quiz me on the sum and product of the roots of a cubic
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Build a quadratic equation from given roots
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Quiz me on checking both pairs of solutions of a linear-quadratic pair
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Spot my mistake in a linear-quadratic system
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Quiz me on line and curve intersection conditions
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Find the value of k for a line to be tangent to a curve
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Teach me collecting like terms across two polynomials
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Worked example: subtracting two polynomials
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