Over a million students use our free study notes to help them with their homework
(In terms of formatting, we'll use little x "x" to mean the algebraic variable, and big x "X" to mean multiply). When we see two sets of brackets written next to each other, such as (....
Take the example: 'The price of a TV is reduced to 69% and is now £379.50. Find the original price. (This means find the price when it was at 100%.) Let's start by calling each percentage a 'part'. The ne...
It is a point on a graph described by its numerical values. For example (2,3) would be 2 along the x-axis and 3 along the y-axis.
It states that for a right-angle triangle, the square of the hypotenuse equals the sum of the squares of the other sides. So if a denotes the hypotenuse, a^2 = b^2 + c^2.
When factorising a quadratic the idea is to separate it into two brackets, so first, I usually write out the empty brackets like this; (x___)(x___) You then need to think of numbers that you can put in th...
←
801
802
803
804
805
→
Internet Safety
Payment Security
Cyber
Essentials