Question

Im really struggling in algebra 2. Could anyone give me tips/ help on how to figure out imaginary numbers?...

Example problem:
Find the sum of 3 - 7i and 8 + 4i.
A. 11 - 3 I
B. 22 - 8 I
C. 11 + 3 I
D. -22 + 8 i

Answer 1

A. 11-3i

Explanation:

3-7i+8+4i

Add the numbers

11-7i+4i

Collect like terms

11-3i