Question

Please help
Check my answers
Will medal
Which properties are used to add these complex numbers? Choose all that apply.
(7+2i)+(4+3i)=(7+4)+(2i+3i)=11+5i
A commutative property
B distributive property
C associative property
D none of the above
I think it's eather a or c or both im kind of confused

Answer 1

You're taking an online class, right? I had this question a few month ago. Let me see if I can remember the answer...

Answer 2

I'm pretty sure it's C, because you are rearranging everything.

Answer 3

@DanJS

Answer 4

Commutative property is when you can move individual numbers around and get the same answer, so it's A. :)

Answer 5

Associative is when you group different numbers without it affecting the answer, like (4+2) +1= 4+(2+1)

Answer 6

Grrr...I'm always so confused!

Answer 7

Lol it's okay, these are hard! And pretty irrelevant in later math, but whatever. I guess it's good to learn haha

Answer 8

Yeah, it's so sad I have a hard time with simple stuff, but the harder stuff is easier. Oh, well.

Answer 9

Ooh, I'm the saaame!

Answer 10

Sorry @Dianie, if I got you mixed up.

Answer 11

It ok thanks for trying anyways

Answer 12

NP

Answer 13

It was both