6. Vectors and Matrices

Vector Basics — Quiz

Test your understanding of vector basics with 5 practice questions.

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Practice Questions

Question 1

What is the result of the vector addition $\vec{a} = \begin{pmatrix} 1 \\ 2 \end{pmatrix}$ and $\vec{b} = \begin{pmatrix} 3 \\ 4 \end{pmatrix}$?

Question 2

If the vector $\vec{c} = \begin{pmatrix} 2 \\ 3 \end{pmatrix}$ is multiplied by the scalar 2, what is the resulting vector?

Question 3

What is the magnitude of the vector $\vec{d} = \begin{pmatrix} 3 \\ 4 \end{pmatrix}$?

Question 4

Which of the following represents a vector in three dimensions?

Question 5

If $\vec{e} = \begin{pmatrix} 1 \\ 1 \\ 1 \end{pmatrix}$ and $\vec{f} = \begin{pmatrix} 2 \\ 2 \\ 2 \end{pmatrix}$, what is $\vec{e} + \vec{f}$?