Question

Evaluate the expression: -1(5,-1) + 2(1,1).

A. (7,1)

B. (-5,2)

C. (-3,3)

D. (5,-2)

**not sure how to do this! :( Please explain? :D thank you :D

Answer 1

@terenzreignz @Dido525 do y'all understand this? :)

Answer 2

the number outside the parentheses is called a scalar.
distribute it among the numbers inside the parentheses.

Answer 3

No

Answer 4

ahh okay.. haha i kinda just thought of that like a second ago! LOL, but i wasn't sure :P

so i get this?

(-5, 1) + (2, 2) ??

so i get (-3, 3) ?

so is the answer C?? :D

Answer 5

Very good :)

Answer 6

yay! thank you :)

Answer 7

LOL. Yeah @terenzreignz is correct :)

Answer 8

yay! thank you :)