Question

Which properties are used to add these complex numbers? Check all that apply.

(4+3i)+(8+2i)=(4+8i)+(3i+2i)=12+5i

A. Associative property

B. Commutative property

C. Distributive property

D. None of the above

Answer 1

Commutative property is one property you have used . Its (4 + 8) by the way not ( 4 +8i)

Answer 2

You need commutativity to switch the order of the additions

Answer 3

then you used associativity to group the real numbers with themselves and the complex numbers with themselves and then add them

Answer 4

(4+3i)+(8+2i) = (4)+(3i+8)+(2i) by associativity = (4) + (8+3i) + (2i) by commutativity = (4+8)+(3i+2i) by associativity = 12 + 5i by addition

Answer 5

check all that apply
A&B

Answer 6

so a and b?

Answer 7

yes