The first 10 tutorials are complete!

The first 10 tutorials are complete! They are all part of the linear algebra playlist, check them out below:

Describe all vectors [x, y] that are orthogonal to [a, b]:

Determine if the triangle formed by three given points is a right-angled triangle:

Determine orthogonality and angles between vectors:

Find the length of a vector and give a unit vector in it's direction:

Find the dot product of vectors:

Subtracting vectors:

Adding vectors:

Find the scalar multiple of a vector:

Draw a vector in standard position, or anywhere:

Real numbers and dimensions explained: