940 prompts matching "WAEC exam question: forming a quadratic equation from a word problem"
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Spot My Mistake: Completing the square when the roots are not real
Act as my SS2 Further Mathematics tutor. Work a question on completing the square when the
Common Mistakes: Checking a completed square by expanding it again
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Final Revision: Why completing the square always works
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Spot My Mistake: What the formula gives when the discriminant is nought
Act as my SS2 Further Mathematics tutor. Work a question on what the formula gives when th
Common Mistakes: A sign error in the formula, and how to catch it
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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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Spot My Mistake: The value of alpha over beta plus beta over alpha
Act as my SS2 Further Mathematics tutor. Work a question on the value of alpha over beta p
Common Mistakes: A symmetric function needing the sum and product twice over
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Final Revision: Using a symmetric function to find an unknown coefficient
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Spot My Mistake: A pair with equal roots, meaning one solution only
Act as my SS2 Further Mathematics tutor. Work a question on a pair with equal roots, meani
Spot My Mistake: Finding the values of c for which a line is a tangent
Act as my SS2 Further Mathematics tutor. Work a question on finding the values of c for wh
Common Mistakes: A line and a curve meeting once without the line being a tangent
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Spot My Mistake: A polynomial written in descending powers
Act as my SS2 Further Mathematics tutor. Work a question on a polynomial written in descen
Common Mistakes: Multiplying one polynomial by another
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Final Revision: The degree of the product of two polynomials
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Spot My Mistake: A division that leaves a linear remainder
Act as my SS2 Further Mathematics tutor. Work a question on a division that leaves a linea
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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Common Mistakes: The remainder theorem applied to a quartic
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