252 prompts matching "Explain-back: what a matrix inverse actually does"
Showing only prompts that state their year. 35 more in this subject don't name one, so choose All years to see them.
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
Perpendicular from a point to a line
I am in SS 1. Teach me finding the equation of the line through a given point that is perp
Common mistakes in coordinate geometry formulas
Teach me the most common mistakes SS1 students make with coordinate geometry formulas, suc
Coordinate geometry involving a right-angle condition to find x
I am in SS 1. Teach me finding an unknown coordinate x so that two given line segments mee
Coordinate geometry applied to a triangle's area check
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on chec
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
Simplifying a complex algebraic fraction
I am in SS 1. Teach me simplifying a 'fraction within a fraction' algebraic expression by
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
Substituting values into an algebraic expression
I am in SS 1. Teach me substituting given numerical values into an algebraic expression co
Simplifying expressions with like and unlike terms
I am in SS 1. Teach me correctly identifying and collecting like terms in a longer algebra
Learn: Telling a rational number from an irrational one
You are my personal SS1 Further Mathematics tutor. Teach me telling a rational number from
Worked Example: Why the square root of a non-square whole number is irrational
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Learn: Simplifying root 72 into its simplest form
You are my personal SS1 Further Mathematics tutor. Teach me simplifying root 72 into its s
Worked Example: Adding two surds that simplify to the same root
Act as my SS1 Further Mathematics tutor. Take me through one full worked example on adding
Learn: Why a surd is never left in the denominator
You are my personal SS1 Further Mathematics tutor. Teach me why a surd is never left in th
Worked Example: Rationalising a denominator that is a single surd
Act as my SS1 Further Mathematics tutor. Take me through one full worked example on ration
Learn: The conjugate of a compound surd expression
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Worked Example: Why multiplying by the conjugate clears the surd
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Learn: Solving an equation with a single square root term
You are my personal SS1 Further Mathematics tutor. Teach me solving an equation with a sin