755 prompts matching "Writing out the full matrix of cofactors"
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Deriving the geometric series sum formula
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Finding the first term or common difference from the sum formula
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Gradient of a line joining two points
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Equation of a line given gradient and one point
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Coordinate geometry proof: isosceles triangle
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Finding an unknown coordinate using the gradient formula
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Quiz me rapid-fire on gradients and equations of lines
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Expanding a product of three brackets
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Factorising by taking out a common factor
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Solving a linear inequality and showing the solution
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Factorising a quadratic with a coefficient in front of x squared
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Explaining the difference between an expression and an equation
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WAEC Prep: Ordering a list of surds by size
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WAEC Prep: Writing a binary operation rule from a description in words
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Worked Example: Rewriting a negative index as a fraction
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Common Mistakes: Writing a root as a fractional index before simplifying
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Worked Example: Writing an index statement as a logarithm
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WAEC Prep: Solving an exponential equation by taking logarithms of both sides
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Show All Working: Writing a quadratic solution set in interval form
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Explain Back: Solving an inequality such as modulus of 2x minus 1 less than 5
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