1,327 prompts matching "Spot my mistake finding an inverse function"
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Show All Working: Expressing a number in the form a root b
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Final Revision: Proving that root 2 is irrational
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Quiz: Forming a quadratic equation whose roots are given
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Practice: The condition for a quadratic equation to have equal roots
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Show All Working: Solving a quadratic by completing the square
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Final Revision: Solving a disguised quadratic by substitution
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Worked Example: Evaluating a polynomial by substitution
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Practice: Factorising a cubic completely once one factor is known
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WAEC Prep: Sketching a cubic from its factorised form
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Show All Working: Solving a cubic equation by factorisation
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Learn: The sum of the roots of a cubic read from its coefficients
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Worked Example: The sum of the products of the roots of a cubic taken two at a time
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Quiz: The product of the roots of a cubic
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Show All Working: Three roots in arithmetic progression in a cubic
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Final Revision: Checking that the roots found satisfy the original equation
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Worked Example: Solving a quadratic inequality by sketching the parabola
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Quiz: Solving a quadratic inequality using a sign table
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WAEC Prep: Writing a solution set in interval notation
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WAEC Prep: Circular permutations of n objects round a table
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Quiz: Choosing a committee of r people from n
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