755 prompts matching "Learn: The sum of the roots of a cubic read from its coefficients"
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Laws of indices with three different bases in one line
I am in SS 1. I attempted an Additional Maths question on simplifying an expression that c
Multiplying two surds together
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Rationalising using the conjugate
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Rationalising and then simplifying fully
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Surd word problem: diagonal of a rectangle
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Multiplying three surds together
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Solving a surd equation that gives an extraneous root
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Union and intersection of two number sets
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Complement of a set within a universal set
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Finding a missing intersection from set sizes
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Subsets of a given set
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Power set of a three-element set
I am in SS 1. I'm going to explain listing the full power set of a three-element set, incl
Set theory laws: commutative and associative
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Reviewing set theory before a class test
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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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Midpoint of a line segment
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Finding an endpoint given the midpoint
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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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