552 prompts matching "Finding a missing coefficient from a stated sum of roots"
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Finding an unknown exponent in an equation
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Laws of indices with three different bases in one line
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Comparing the size of two surds
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Surd word problem: diagonal of a rectangle
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Solving a surd equation that gives an extraneous root
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Reading values off a completed Venn diagram
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Finding n(A union B) using the formula
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Subsets of a given set
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Power set of a three-element set
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Applying the sum to infinity formula when the ratio lies between minus one and one
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Sigma notation for a sum
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Word problem: total distance from a bouncing ball
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Explaining why sum to infinity only works for |r| < 1
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Sketching a straight line from its equation
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Length of a line segment on a graph
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Simultaneous equations of a line and the coordinate axes
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Expanding a product of two brackets
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Expanding a product of three brackets
I am in SS 1. I'm going to explain expanding a product of three linear brackets, such as (
Factorising the difference of two squares
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Changing the subject of a simple formula
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