755 prompts matching "Learn: The sum of the roots as minus b over a"
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Subsets of a given set
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on list
Set difference A minus B
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A three-region overlap problem with unknowns
I am in SS 1. Quiz me with 4 short Additional Maths questions on a Venn diagram word probl
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
Logical reasoning puzzle solved using sets
I am in SS 1. I'm going to explain a short logical reasoning puzzle about groups of people
Finding the common difference from given terms
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Finding the common ratio from given terms
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Sigma notation for a sum
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Recurring decimals as an infinite geometric series
I am in SS 1. I'm going to explain how a recurring decimal, such as 0.777..., can be writt
Common student mistakes with progression formulas
I'm going to explain the most common mistakes SS1 students make when applying the AP and G
Midpoint of a line segment
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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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Equation of a line through two given points
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Area of a triangle from three coordinates
I am in SS 1. I'm going to explain finding the area of a triangle given the coordinates of
Length of a line segment on a graph
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Finding an unknown coordinate using the gradient formula
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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 (
Changing the subject when the variable appears twice
I am in SS 1. Teach me changing the subject of a formula where the required letter appears