Intersecting Lines
For this learning tutorial you must have some basic knowledge of graphs. You must also be able to draw graphs. You must also know how to solve simultaneous equations. In this lesson we shall...
Tagged: Alevel Core 1
Quadratic Formula
Using the quadratic formula is one way of solving quadratic equations. Another way of solving quadratic equations is by factorising or factorisation. It is very important in this lesson to be able to solve...
Geometric progression/sequences
A geometric series or progression is a series where each term is found by multiplying the previous term before it by a constant number. This constant number is called the common ratio (r). Here...
Rules of Indices
An indice is a number with a power; for example am; a is called the base and m is the power. The power is also often referred to as the “index” or “exponent”. Indices...