1,045 prompts matching "Evaluating a 3 by 3 determinant by the rule of Sarrus"
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Complete the square for x^2 - 10x + 21 = 0
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Complete the square for x^2 + 3x - 4 = 0
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Complete the square for 3x^2 + 6x - 2 = 0
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Final Revision: A word problem solved by factorising a quadratic
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Final Revision: Checking a factorisation by expanding it again
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Teach me solving quadratic equations by factorisation
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Quiz me: solving quadratics by factorisation
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Derive the quadratic formula
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Teach me long division of polynomials
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Worked example: dividing a cubic by a linear polynomial
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Quiz me on polynomial division by a quadratic divisor
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Divide a polynomial by a quadratic
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Quiz me on when a conjunction of three statements is true
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Worked example: evaluating a power using binomial expansion
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Worked example: standard deviation of a small data set
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Solve the logarithmic equation log2(x) + log2(x-2) = 3
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Solve the logarithmic equation log(x+1) - log(x-1) = 2
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Solve the logarithmic equation 2log(x) = log(x+6) + log(4)
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Solve the logarithmic equation log3(x^2) - log3(x+2) = 1
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Solve the logarithmic equation log5(x+3) + log5(2) = 2
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