SOLUTION: What is the sum of 5i, 3-4i, and 8?

Algebra.Com
Question 695311: What is the sum of 5i, 3-4i, and 8?
Found 2 solutions by solver91311, Ave:
Answer by solver91311(24713)   (Show Source): You can put this solution on YOUR website!


Just add the imaginary parts to the imaginary parts and the real parts to the real parts. Remember, if a part is not specified, that part is zero. That is to say 5i is the same as 0 + 5i and 8 is the same as 8 + 0i.

Then use the pattern

John

Egw to Beta kai to Sigma
My calculator said it, I believe it, that settles it
The Out Campaign: Scarlet Letter of Atheism


Answer by Ave(106)   (Show Source): You can put this solution on YOUR website!
5i+3-4i+8= combine like terms
11+i that's it. =)

RELATED QUESTIONS

whatis the sum of the complex numbers (12-5i) and... (answered by robertb)
write the quotient in standard form 8+4i ____ (answered by Alan3354,Tatiana_Stebko,MathLover1)
What is 2-4i divided by... (answered by Earlsdon)
what is the sum of 5i, -9-7i, and... (answered by Alan3354)
what is the multiplicative inverse of 3+5i... (answered by jsmallt9)
(8-5i)-(-11+4i) (answered by ikleyn)
9) the expression i to the 25 power is eqivalen to? a) -i b)1 c)i d)-1 10) What... (answered by Alan3354)
(5+4i)+(3-5i) (answered by Alan3354)
What is the sum of: (14-5i)+(-8+12i) Thanks much. (answered by Alan3354)