1,033 prompts matching "IGCSE Additional Maths Y10: What makes a function one-one — Teach Me"
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Final Revision: A word problem solved with the quadratic formula
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Worked Example: The product of the roots as c over a
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Quiz: Finding the sum and the product without solving the equation
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Spot My Mistake: Finding a missing coefficient from a stated product of roots
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Worked Example: The identity linking alpha squared plus beta squared to the sum and product
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Spot My Mistake: The value of alpha over beta plus beta over alpha
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Worked Example: Substituting into the quadratic and tidying up
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Quiz: Solving the quadratic that results from the substitution
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Final Revision: Checking both solutions in both equations
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Worked Example: The discriminant used as the test for intersection
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Quiz: The condition for two points of 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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Final Revision: A word problem about a line and a parabola
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Quiz: The leading term and the constant term
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Spot My Mistake: A polynomial written in descending powers
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Final Revision: The degree of the product of two polynomials
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Worked Example: The division algorithm for polynomials
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Quiz: Dividing a quartic by a quadratic
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Spot My Mistake: A division that leaves a linear remainder
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