746 prompts matching "Cambridge-style question: change of base formula"
Showing only prompts that state their year. 35 more in this subject don't name one, so choose All years to see them.
IGCSE Additional Maths Y10: Rearranging an equation so that a drawn curve can solve it — Explain It Back
I am in SS 1. I have just studied rearranging an equation so that a drawn curve can solve
IGCSE Additional Maths Y10: Checking a graphical solution by substitution — Exam Technique
I am a Year 10 pupil taking Cambridge IGCSE Additional Mathematics. Show me how to handle
Fractional indices as roots
I am in SS 1. Teach me fractional indices, converting between root form and index form, su
Multiplying and dividing indices in one expression
I am in SS 1. Teach me simplifying (a^5 x a^-2) divided by a^3 fully, quoting which law is
Evaluating a fractional-negative index expression
I am in SS 1. Teach me evaluating 25^(-3/2) fully as a fraction without a calculator the w
Rewriting an expression with only positive indices
I am in SS 1. Teach me rewriting an expression such as 3x^-2 y^3 z^-1 so every index in it
Evaluating (1/2)^-3 without a calculator
I am in SS 1. I attempted an Additional Maths question on evaluating (1/2)^-3 fully withou
Multiplying a surd by an integer
I am in SS 1. Teach me multiplying a surd by a whole number, such as 4 times root 5, and s
Squaring a surd expression
I am in SS 1. Teach me squaring a binomial surd expression, such as (2 + root 5)^2, showin
Rationalising a more complex conjugate denominator
I am in SS 1. I attempted an Additional Maths question on rationalising a fraction with a
Solving a simple surd equation
I am in SS 1. Teach me solving a surd equation, such as solving root(x + 4) = 3, and check
Simplifying a fraction with a surd numerator
I am in SS 1. Teach me simplifying a fraction where the numerator contains a surd, such as
Dividing surds using the quotient rule
I am in SS 1. I'm going to explain simplifying a quotient of surds using the rule root a d
Proving a surd statement is true or false
I am in SS 1. I attempted an Additional Maths question on proving whether a given surd sta
Simplifying nested surds
I am in SS 1. I'm going to explain simplifying an expression containing a surd within a su
Simplifying a surd expression before squaring
I am in SS 1. I attempted an Additional Maths question on why it matters to simplify a sur
Disjoint sets and what they mean
I am in SS 1. Teach me what it means for two sets to be disjoint, giving an example and dr
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
Universal set and its role in set problems
I am in SS 1. Teach me what a universal set is and how it affects the answer to complement
Distributive law for sets
I am in SS 1. I attempted an Additional Maths question on the distributive law connecting