1. Section 4.1 – Vectors (in component form)
Vector – directed distance

2. Move vectors to the origin so that computations can be done.
initial point
terminalpoint

3. Magnitude of a vector – the length of the vector
Find the magnitude of
Find the magnitude of

4. Given
, find:

5. Unit Vector – Vector whose magnitude is 1.
Find the unit vector having the same direction as v.
Find the unit vector having the same direction as v.

6. Write the vector v in the form ai + bj given its magnitude
and the angle it makes with the positive x-axis. 8

7. Write the vector v in the form ai + bj given its magnitude
and the angle it makes with the positive x-axis. 3