## Latest updates

#### Discrete Random Variables

On this page we will explore the concept of discrete random variables and their probability distributions. We will look at how we can display probability distributions in tables or as functions. The questions are not so complicated (it is just a way of for

14 March 2023

#### Differential Equations - Homogeneous

When a first order differential equation is not separable, nor linear (integrating factor), it may still be possible to solve it analytically using a substitution. This will work when the equation is homogeneous. A homogenous differential equation...

28 February 2023

#### Functions Examination Questions HL

On this page you can find examination questions from the topic of functions

27 February 2023

#### Functions Examination Questions SL

On this page you can find examination questions from the topic of functions

27 February 2023

#### Functions - The Basics

In this page, we will look at the different types of relations including functions. The first step to gaining a good understanding of functions is to think about inputs and outputs. Once that is clear, you should be able to deal with domain...

27 February 2023

#### Calculus Examination Questions HL

On this page you can find examination questions from the topic of calculus

23 February 2023

#### Calculus Examination Questions SL

On this page you can find examination questions from the topic of calculus

23 February 2023

#### Geometric Sequences

These are sequence where you go from term to term by multiplying by a common ratio. The sequence in the image 1, 2 , 4 , 8 has a common ration of 2 since we multiply the previous term by 2. There are formula in the booklet to help you with this topic, but

29 December 2022

#### Algebra Examination Questions HL

On this page you can find examination questions from the topic of algebra

29 December 2022

#### Algebra Examination Questions SL

On this page you can find examination questions from the topic of algebra

29 December 2022

#### Indices and Logarithms

Logarithms are useful for solving problems involving indices (or exponents). In fact, logarithms are just indices in disguise! The definition of a logarithm helps you to see its equivalence with indices

29 December 2022

#### Statistics and Probability Examination Questions HL

On this page you can find examination questions from the topic of statistics and probability

29 December 2022

#### Statistics and Probability Examination Questions SL

On this page you can find examination questions from the topic of geometry and trigonometry

29 December 2022

#### Geometry and Trigonometry Examination Questions HL

On this page you can find examination questions from the topic of geometry and trigonometry

29 December 2022

#### Geometry and Trigonometry Examination Questions SL

On this page you can find examination questions from the topic of geometry and trigonometry

29 December 2022

#### Trigonometric Graphs

In this page, we will learn about the graphs of the circular functions sinx, cosx and tanx. We will link this to work that we have done on Transforming Functions to see how translating and stretching the graphs affect the tigonometric functions....

29 December 2022
• #### Examination Questions Free

These pages contain exam questions written in the style of the IBDP Analysis and Approaches examinations. The pages are organised in terms of the five topics: Algebra, Functions, Geometry and Trigonometry, Statistics and Probability and Calculus....

28 December 2022

#### Related Rates of Change

This page is about finding related rates of change, otherwise know as connected rates of change. In questions on this topic, you will be given a rate of change of some quantity and be required to find the rate of change of another, that is...

4 November 2022

#### Differential Equations - Integrating Factor

On this page we will look at another type of differential equations: linear differential equations in the form y' + P(x)y=Q(x) which can be solved by using an integrating factor. There are many applications of this type of differential equation....

5 October 2022

#### Binomial Theorem HL

The following page will help you with questions about the Binomial Theorem (or Binomial Expansion). The Binomial Theorem is used for expanding brackets in the form (a + b)n . Questions on this topic are usually short ones: you usually only have to find one

13 September 2022