I am selecting unique questions from 2017 GCE O-Level Additional Mathematics to discuss in my upcoming videos.

This first one is on linear law.

Basic concepts that you must know are:

- Equation of a line
- Understanding of coordinate system

In this video, I share with you a strategy I teach my student to make linear law easier to understand and reduce careless mistakes to a minimum. I called it "**Capital Letter**". I use capital letters to represent the *complicated *horizontal and vertical axes. Even my equation of line is in capital letters too.

Look at my video to understand my thinking process and apply it to yours when it's your turn to solve a linear law question.

This question is interesting as we do not have to draw the graph which is commonly asked in the past.

This question will cause your downfall if you are not **absolutely **clear on the concepts of linear law.

httpv://www.youtube.com/watch?v=wmYj8pu6-dc

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