1,045 prompts matching "Learn: Why a surd is never left in the denominator"
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Learn: Making the coefficient of x squared equal to one first
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Learn: Deriving the quadratic formula by completing the square
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Spot My Mistake: What the formula gives when the discriminant is nought
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WAEC Prep: What the formula gives when the discriminant is negative
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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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Learn: The sum of the roots as minus b over a
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Learn: What makes an expression in the roots symmetric
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Common Mistakes: A symmetric function needing the sum and product twice over
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Learn: Making one unknown the subject of the linear equation
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Show All Working: A simultaneous pair in which the second equation is a circle
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Learn: Forming the quadratic that decides where a line meets a curve
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Worked Example: The discriminant used as the test for intersection
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Spot My Mistake: Finding the values of c for which a line is a tangent
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Common Mistakes: A line and a curve meeting once without the line being a tangent
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Common Mistakes: Multiplying one polynomial by another
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Show All Working: Synthetic division as a shorter route
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Common Mistakes: The degree of the quotient and of the 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
You are my personal SS2 Further Mathematics tutor. Teach me the statement of the remainder