755 prompts matching "A word problem solved with the quadratic formula"
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Explaining why we rationalise denominators
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Reviewing every surd rule before a test
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Surd equation from a geometry context
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Union and intersection of two number sets
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Finding a missing intersection from set sizes
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Set-builder notation basics
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Subsets of a given set
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Working backwards from Venn diagram totals
I am in SS 1. I'm going to explain a Venn diagram question where I am given some regions a
Equal sets versus equivalent sets
I am in SS 1. I attempted an Additional Maths question on the difference between two sets
Number of elements in a set from a Venn diagram region count
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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
Distributive law for sets
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Sequences given by a recurrence relation
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WAEC-style past question on geometric progressions
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Distance between two coordinate points
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Gradient of a line joining two points
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Gradient from a linear equation
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Length of a line segment on a graph
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Coordinate geometry proof: isosceles triangle
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Gradient as a rate of change interpretation
I am in SS 1. I'm going to explain interpreting the gradient of a straight-line graph as a