1,045 prompts matching "Sum of an arithmetic series given the first and last term"
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Final Revision: Why completing the square always works
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Learn: Deriving the quadratic formula by completing the square
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Practice: Giving the roots correct to two decimal places
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Final Revision: A word problem solved with the quadratic formula
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Spot My Mistake: Finding a missing coefficient from a stated product of roots
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Show All Working: Forming an equation whose roots are three alpha and three beta
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Final Revision: Using a symmetric function to find an unknown coefficient
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Common Mistakes: A word problem giving one linear and one quadratic equation
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Learn: Forming the quadratic that decides where a line meets a curve
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Final Revision: A word problem about a line and a parabola
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Learn: What makes an expression a polynomial
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Show All Working: Adding and subtracting two polynomials
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Show All Working: Synthetic division as a shorter route
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Practice: The remainder on dividing by 2x minus 1
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Common Mistakes: The remainder theorem applied to a quartic
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Final Revision: A word problem that uses the remainder theorem
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Show All Working: What the factor theorem says about the roots
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Common Mistakes: Using the factor theorem before dividing
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Final Revision: A factor theorem question set in the WAEC style
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Common Mistakes: Factorising fully, and knowing when to stop
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