755 prompts matching "Checking cofactors by expanding the determinant along a second row"
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Sum of an arithmetic series given the first and last term
I am in SS 1. Teach me using the formula Sn = n/2 (a + l) to find the sum of an arithmetic
Finding the number of terms in an arithmetic series
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi
Finding a term given the sum of a series
I am in SS 1. I'm going to explain finding a specific term of a sequence by first finding
Deriving the arithmetic series sum formula
I am in SS 1. Quiz me with 4 short Additional Maths questions on how the formula Sn = n/2
Sequences given by a recurrence relation
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi
Finding the point of intersection of two lines
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on find
Finding the equation of a circle from its centre and radius
I am in SS 1. Teach me finding the equation of a circle in the form (x-a)^2 + (y-b)^2 = r^
Finding the centre and radius from a circle's equation
I am in SS 1. Quiz me with 3 short Additional Maths questions on finding the centre and ra
Simultaneous equations of a line and the coordinate axes
I am in SS 1. Teach me finding the area enclosed between a straight line and the coordinat
Finding the equation of a median of a triangle
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on find
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 (
Expanding and simplifying with negative brackets
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on expa
Factorising by taking out a common factor
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi
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
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi
Solving simultaneous linear equations by substitution
I am in SS 1. I'm going to explain solving a pair of simultaneous linear equations by the
Solving simultaneous linear equations by elimination
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on solv
Changing the subject of a simple formula
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi