Valeria Valeria
  • 01-06-2025
  • Mathematics
College

Which choice is equivalent to the expression below √-81​

Which choice is equivalent to the expression below 81

Answer :

rococo908 rococo908
  • 21-10-2023

Answer:

E

Step-by-step explanation:

[tex]\sqrt{-81}[/tex] is the same as [tex]\sqrt{81}[/tex] · [tex]\sqrt{-1}[/tex]

This can be simplified to 9 · [tex]\sqrt{-1}[/tex]

And the square root of -1 is i,

so this equals 9i

Answer Link

Other Questions

Let [tex]f = d(n)[/tex] represent the temperature in degrees Fahrenheit, [tex]f[/tex], based
Water from reservoir A (elevation 5 m) is pumped to another reservoir
A mi abuelo __ las gafas grandes. A. le gustan B. les
Cross-contamination occurs when: A. Food is contaminated from being left out in
How did the materials the Wright brothers chose contribute to the success
What type of political officials do PACs generally support? A) Incumbents B)
What is the author's purpose in including the idea of France in
For one month, Siera calculated her hometown's average high temperature in degrees
What is the solution to the equation below? Round your answer to
How did the formation of the United States contribute to the Enlightenment