Use of symbols
After studying this section, you will be able to:
- understand the different uses of letters as symbols
- understand some of the vocabulary used in algebra
- manipulate algebraic expression
- factorise algebraic expressions
Letter symbols
Image
![](/sites/default/files/styles/full_width/public/revisionworld/imce/letters.jpg?itok=df85lbSL)
Image
![](/sites/default/files/styles/full_width/public/revisionworld/imce/conventions.jpg?itok=pYXcJpSy)
Manipulation
Image
![](/sites/default/files/styles/full_width/public/revisionworld/imce/gcse%20algebra%20keypoint%201.jpg?itok=a6VqaiWj)
Image
![](/sites/default/files/styles/full_width/public/revisionworld/imce/gcse%20algebra%20manipulation.jpg?itok=9nyyhSS7)
NOTE: More marks are lost in algebra questions by slips when dealing with negative terms than anything else!
PROGRESS TEST 1
Image
![](/sites/default/files/styles/full_width/public/revisionworld/imce/progress%20test%201%20manipulation_1.jpg?itok=7WMF8X9c)