Vector & Matrix Quantities

Practice Questions

Common Core: High School - Number and Quantity › Vector & Matrix Quantities

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1

If , and , find .

2

If , what is ?

3

Compute

$22\begin{bmatrix} 7 & 6&16 \ 0&0 &12 \end{bmatrix}$

4

If , what is ?

5

Calculate $\left | -10v\right |$ , where . Also determine the direction of the resulting vector.

6

Which of the following matrices represents the equations, , and ?

7

If $\left | v\right |=4$ , and $\left | w\right |=23$ , and the angle in between them is $149^{\circ}$ , find the magnitude of the resultant vector.

8

Compute

$22\begin{bmatrix} 7 & 6&16 \ 0&0 &12 \end{bmatrix}$

9

Compute the sum of the two matrices.

$\begin{bmatrix} -1 & 5 & -4\ -1& -1& -3 \end{bmatrix} + \begin{bmatrix} 2&3 &6 \ -4&-5 & -1 \end{bmatrix}$

10

If , and , what is ?

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