958 prompts matching "A matrix expression with brackets to expand"
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Learn: The sum of the roots as minus b over a
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Spot My Mistake: Finding a missing coefficient from a stated product of roots
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Final Revision: One root twice the other, and what that gives
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Quiz: The value of one over alpha squared plus one over beta squared
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Spot My Mistake: The value of alpha over beta plus beta over alpha
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Learn: Making one unknown the subject of the linear equation
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Quiz: Solving the quadratic that results from the substitution
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Final Revision: Checking both solutions in both equations
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Learn: Forming the quadratic that decides where a line meets a curve
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Quiz: The condition for two points of intersection
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Spot My Mistake: Finding the values of c for which a line is a tangent
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Final Revision: A word problem about a line and a parabola
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Quiz: The leading term and the constant term
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Spot My Mistake: A polynomial written in descending powers
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Final Revision: The degree of the product of two polynomials
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Quiz: Dividing a quartic by a quadratic
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Spot My Mistake: A division that leaves a linear remainder
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Final Revision: Writing the result of a polynomial division out in full
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Learn: The statement of the remainder theorem
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Quiz: The remainder on dividing by x plus 2
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