654 prompts matching "Practice: Why a 2 by 2 matrix with determinant nought cannot be inverted"
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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
You are my personal SS2 Further Mathematics tutor. Teach me deriving the quadratic formula
Spot My Mistake: What the formula gives when the discriminant is nought
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WAEC Prep: Expressions that are not polynomials, and why not
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Learn: Setting out the division of a cubic by a linear expression
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Quiz: Dividing a quartic by a quadratic
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WAEC Prep: Dividing by a factor of the form ax plus b
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Quiz: The remainder on dividing by x plus 2
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Show All Working: A remainder of nought, and what it means
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Quiz: Factorising a polynomial by grouping terms
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Show All Working: Factorising a polynomial with fractional roots
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Final Revision: Checking a factorisation by expanding it again
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Final Revision: Checking a root of a cubic by substitution
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Spot My Mistake: Building a truth table column by column
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WAEC Prep: Why a conditional and its contrapositive are equivalent
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Show All Working: Why a conditional and its converse are not equivalent
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WAEC Prep: Testing an argument for validity by truth table
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Quiz: Why one person is fixed in a circular arrangement
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WAEC Prep: Beads on a necklace, and why the count halves
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Show All Working: A circular arrangement with one fixed seat such as the head
Act as my Further Mathematics examiner. I am in SS 2. Set me a question on a circular arra