3. Geometry and Trigonometry

Magnitude And Direction — Quiz

Test your understanding of magnitude and direction with 5 practice questions.

Practice Questions

Question 1

What is the magnitude of the vector $\langle 3,4\rangle$?

Question 2

What is the direction angle of the vector $\langle 1,\sqrt{3}\rangle$ measured counterclockwise from the positive $x$-axis?

Question 3

Which vector is a unit vector?

Question 4

If $\vec{u}=\langle 2,1\rangle$, what is the magnitude of $3\vec{u}$?

Question 5

What is the direction angle of the vector $\langle -1,\sqrt{3}\rangle$ measured counterclockwise from the positive $x$-axis?