Question

I have a few questions i was hoping someone could help me with:

1. Write the expression in standard form.
5/ 3-15i

2. Find the product of the complex number and its conjugate.
3 + 3i

3. Write the product in standard form.
( 9 + 5i)( 9 + 8i)


4. Find the real numbers x and y that make the equation true.
-3 + yi = x + 6i

someone please help me

Answer 1

first one u can multiply 3 +15i denominator and numinator

Answer 2

do u know what a conjugate is?

Answer 3

first tell me that and then i will explain u further!!!

Answer 4

isnt a conjugate sort of like the opposite like for example 3+2 the conjugate would be 3-2 ?

Answer 5

yeah so whats the problem in solving the second queestion?

Answer 6

i had to solve it. they give me the choices:
18
9-9i
0
9+9i

when i saw conjugate i thought the answer would be 9-9i but i wasnt to sure.

Answer 7

u need only the answers or both method and answers?

Answer 8

@Tiana52712

Answer 9

@Neo92 i only needed the answers but i figured out how to do them.

Answer 10

@Tiana52712 itz ok if u got da answrz 4 them