1,045 prompts matching "Practice: The sum of a complex number and its conjugate"
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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
Non-calculator paper: subtract polynomials and state the degree
Set me a non-calculator question where I subtract one polynomial from another, simplify, a
Learn: Making the coefficient of x squared equal to one first
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Practice: Working through a quadratic by completing the square, step by step
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Show All Working: Completing the square with a fractional coefficient of x
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Quiz: A negative value of b in the quadratic formula
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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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Common Mistakes: A sign error in the formula, and how to catch it
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Explain Back: Finding a missing coefficient from a stated sum of roots
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Common Mistakes: Roots that are reciprocals of one another
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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: The condition for two points of intersection
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Practice: The condition for the line to be a tangent
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Spot My Mistake: Finding the values of c for which a line is a tangent
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Show All Working: The point of contact when a line touches a curve
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Common Mistakes: A line and a curve meeting once without the line being a tangent
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