Which of the following is the conjugate of a complex number with 2 as the real part and −4 as the imaginary part?

2 − 4i

2 + 4i

4i + 2

4i − 2

Can you plz help me out with this one? @tHe_FiZiCx99

Question

Which of the following is the conjugate of a complex number with 2 as the real part and −4 as the imaginary part?

 2 − 4i

 2 + 4i

 4i + 2

 4i − 2

Can you plz help me out with this one? @tHe_FiZiCx99

anonymous · Answer

the conjugate of $a+bi$ is $a-bi$

anonymous · Answer

so the conjugate of $2-4i$ is $2+4i$

anonymous · Answer

clear enough?

anonymous · Answer

so it's B? @satellite73

anonymous · Answer

yes

anonymous · Answer

okayy!! thank you very much!! i appreciate itt!

anonymous · Answer

yw

anonymous · Answer

I also need you to just check this for me i got it but i need someone to check it

anonymous · Answer

Multiply. (x − 4)(x2 − 5x + 3).

 x3 + 3x2 + 11x − 12

 x3 − 5x2 + 13x − 12

 x3 − 9x2 + 23x − 12 <----- MY ANSWER

 x3 − x2 + 17x − 12
@satellite73

anonymous · Answer

@satellite73

anonymous · Answer

and this one also i need u to check it for me plz @satellite73

anonymous · Answer

What is the 3rd term when 4f3 + 19f + 16f4 − 9f2 is arranged in descending order?

 4f3

 19f

 16f4

 −9f2 <---- MY ANSWER