Which expression represents the difference between 18 and an unknown number? A. 18 – n B. 18 + n C. 18 ÷ n D. 18 • n
2 answers:
You might be interested in
Answer: sqrt(58)
Step-by-step explanation:
Using <u>complex numbers and radicals</u>, it is found that the correct option is C.
When a complex number is a root of a polynomial function, it's conjugate also has to be.
- Hence, since 8i is a root of the function, -8i is also a root.
The same is valid for radicals, as they are in the format.
- Since
is a root,
is also a root.
Hence, option C is correct.
For more on <u>complex numbers and radicals</u>, you can check brainly.com/question/25173944