Question

1) Evaluate⎡2 3⎤ + ⎡−1 7⎤ .
⎣5 1⎦ ⎣9 8 ⎦

Answer 1

this is just vector addition is it not?

x, y + x, y
2, 3 -1,7
5, 1 9, 8

add the points that align with eachother, add x + x, y + y for each set of points

Answer 2

so

2 + -1 3 + 7
5 + 9 1 + 8

Answer 3

will give you your new vector

Answer 4

do you know how to write it denoting the row and column.

Answer 5

do the addition so you have single numbers