755 prompts matching "Practice: The sign pattern of the cofactors in a 3 by 3 determinant"
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Finding which term of a sequence equals a given value
I am in SS 1. Teach me finding which term number in an arithmetic or geometric sequence is
Sum of the first n odd numbers
I am in SS 1. Quiz me with 4 short Additional Maths questions on proving and using the fac
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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Equation of the perpendicular bisector of a segment
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Area of a triangle from three coordinates
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Finding where a line crosses the x-axis and y-axis
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Coordinate geometry proof: right-angled triangle
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Coordinate geometry proof: isosceles triangle
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Gradient as a rate of change interpretation
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Finding an unknown coordinate using the gradient formula
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Equation of a line with a given y-intercept and passing through a point
I am in SS 1. I attempted an Additional Maths question on finding the equation of a straig
Expanding a product of two brackets
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on expa
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 by taking out a common factor
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Factorising by grouping four terms
I am in SS 1. Teach me factorising an expression with four terms by grouping them in pairs
Simplifying an algebraic fraction by factorising first
I am in SS 1. Teach me simplifying an algebraic fraction by factorising both the numerator
Solving a linear inequality and showing the solution
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Changing the subject with a square or square root
I am in SS 1. Quiz me with 4 short Additional Maths questions on changing the subject of a