Answer the question.If n is an even number, then which of the following statements is true?
A. The equation xn + 1 = 0 has exactly one real root.
B. The equation xn + 1 = 0 has at least one real root.
C. The equation xn + 1 = 0 has n + 1 roots.
D. The equation xn + 1 = 0 has n nonreal roots.
Answer: D
You might also like to view...
Provide the proper response.To rationalize the denominator of an expression such as 
, we multiply both the numerator and the denominator by 
. By what number are we actually multiplying the given expression, and what property of real numbers justifies the fact that our result is equal to the given expression?
What will be an ideal response?
Add or subtract as indicated. Write the answer in simplest form.- 
+ 
A. - 
B. 
C. - 
D. 
Solve the problem.Two airplanes leave an airport at the same time, one going northwest (N35°W) at 411 mph and the other going east at 350 mph. How far apart are the planes after 4 hours to the nearest mile?
A. 676 mi B. 2702 mi C. 2197 mi D. 2307 mi
Round as indicated.6,666 to the nearest ten
A. 6,680 B. 6,770 C. 6,670 D. 6,660