Question

how would you write this quotient in standard form : 8-7i/1-2i

Answer 1

\[\frac{ 8-7i }{ 1-2i }*\frac{ 1+2i }{ 1+2i }= \frac{ 8 +9i+14 }{ 1+4 }=\frac{ 22+9i }{ 5 }\]

Answer 2

\[\frac{ 22 }{ 5 }+\frac{ 9i }{ 5 }\]

Answer 3

where did the 9 come from?

Answer 4

just simplified the multiplication in numerator

Answer 5

16i-7i

Answer 6

your sure that's right?

Answer 7

100%

Answer 8

would the "I" be outside of the 9/5 ot connected to the 9 in the numerator

Answer 9

connected to numerator

Answer 10

okay thanks so much

Answer 11

(;

Answer 12

;)

Answer 13

i like your hair color, awesome ;)

Answer 14

ahh thanks, I like to be different

Answer 15

your different ;)

Answer 16

how old are you?

Answer 17

17 n u?

Answer 18

the same!

Answer 19

awesome (;

Answer 20

quick question, if im finding the rational zeros and have already gotten far enough into the problem to where ive already done the synthetic division, and got the equation : 4x^4-4x^3-9x^2-1x+2, how would I factor that to get the zeros?

Answer 21

your gonna get 4 zeroes here

Answer 22

what would I factor?

Answer 23

could I pull out an x?

Answer 24

no u cant pull x out n it has got degree 4 so kinda complex

Answer 25

so what do I do???

Answer 26

helpppp

Answer 27

no clue :(

Answer 28

okay that's fine haha

Answer 29

lol