Understanding Coordinate Notation

In this video, Sal makes an error by adding an extra comma in the y-coordinate. The tutorial highlights the importance of careful notation in mathematical expressions, particularly when dealing with coordinates.

What is a common mistake when writing coordinates?

• Using brackets instead of parentheses

• Adding an extra comma

• Using a semicolon instead of a comma

• Writing numbers in reverse order

What specific error did Sal make in the y-coordinate?

• He swapped the x and y values

• He used a semicolon instead of a comma

• He added an extra comma

• He used square brackets