kxmberly04
kxmberly04 kxmberly04
  • 20-06-2020
  • Mathematics
contestada

Which of the following expressions is equal to x^2+16?
A. (x + 4i)(x-4i)
B. (x +4i)^2
C. (x-4i)^2
D. (x + 2i)(x - 8i)

Which of the following expressions is equal to x216 A x 4ix4i B x 4i2 C x4i2 D x 2ix 8i class=

Respuesta :

devishri1977
devishri1977 devishri1977
  • 21-06-2020

Answer:

A

Step-by-step explanation:

x² + 16 = 0

x² = - 16

x² = i² * 4²            {i²  = -1}

x² = (4i)²

x=√(4i)²

x=±4i

x² + 16 = (x + 4i)(x - 4i)

Answer Link

Otras preguntas

Describe wether energy is transferred and how
Arnold has shared some interesting facts about different places around the world. Use dimensional analysis to convert the units on the facts to the units reques
Please help me!!!!! :)
To graph the inverse of f(x) one should reflect f(x) over
I needs someone’s help, I really don’t understand this 2-7
A man gives 40% of his money to his children and 20% of the remaining to a trust. If he is still left with Rs. 9600, what did he originally have?
Here is a question for you to practice your intuition... imagine a deluge in the city versus the forest. why does urbanization (the building and expansion of bu
I’m at least 150 words discuss how Chang’s use of personification, metaphor, or connotation express one his themes in garden of my childhood
Veronica noticed that her roommate responded with short, one-word answers to her questions. she suspected that her roommate was upset with her, but she didn't k
can I please get help with this question? thanks in advance.