homeschoolgonewrong homeschoolgonewrong

09-12-2019
Mathematics

contestada

Simplify suqrt. -81

A) -9i
B) 9i
C) -9
D) 9

Simplify suqrt 81 A 9i B 9i C 9 D 9 class=

Respuesta :

crisviz420 crisviz420

09-12-2019

Answer:

9i

Step-by-step explanation:

sqrt(-81) can be expanded to sqrt(-1) × sqrt(81).

sqrt(-1) = 'i' and the sqrt(81) is 9.

sqrt(-81) = 9i

Answer Link

Otras preguntas

Please help A lightning flash may transfer up to 17 C of charge through a potential difference of 10? V How much energy does this involve?

How does Helen respond to her punishment

please help me thanks for everything one who help me on the last question thanks can u help me by this to

respond pls To get some points

There are 100 students attending a math contest, the average score of them is 63, of which boys have an average score of 60 and girls have an average score of 7

what ethnicity is Farid in the kite runner

PLEASE HELP ME ITS IXL

Which of the following factors does not affect electronegativity? A. Atomic radius B. Number of electrons in the atom. C. Number of atoms present. D. Nuclear ch

species. Formation of a new species is called speciation. 1. Which statement is a valid conclusion supported by the passage?

Compared to naval battles in earlier wars, the Pacific Theater had more ( ) and fewer ( ). 1A aerial combat 1B cannon fire 1C challenges from China 2A aircraf