755 prompts matching "The line of best fit, and the regression line"
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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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Sum of a geometric series with a negative common ratio
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Comparing arithmetic and geometric growth over time
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Sum of a series expressed with algebraic terms
I am in SS 1. Teach me finding the sum of the first n terms of a series where each term is
Area of a triangle from three coordinates
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Coordinate geometry proof: isosceles triangle
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Expanding and simplifying with negative brackets
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Changing the subject when the variable appears twice
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Changing the subject with a square or square root
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Factorising a quadratic with a coefficient in front of x squared
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WAEC Prep: Ordering a list of surds by size
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Common Mistakes: Expressing root 50 as a multiple of root 2
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Final Revision: Simplifying a fraction whose numerator and denominator are both surds
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Learn: Why a surd is never left in the denominator
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Final Revision: Expressing a rationalised answer in the form a root b over c
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Spot My Mistake: A binary operation defined on a set of three elements
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Final Revision: Deciding whether a given rule really is a binary operation
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Spot My Mistake: Reading closure off an operation table
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Common Mistakes: Closure on a set of three elements under a stated rule
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