beatrizsolano60 beatrizsolano60

23-05-2019
Mathematics

contestada

Express the square root of -80 in its simplest terms.

A- cannot be determined
B- 8i sqrt 10
C- 4i sqrt 5
D- 2i sqrt 20

Respuesta :

jimrgrant1 jimrgrant1

23-05-2019

Answer:

C

Step-by-step explanation:

noting that [tex]\sqrt{-1}[/tex] = i

Given

[tex]\sqrt{-80}[/tex]

= [tex]\sqrt{16(-1)(5)}[/tex]

= [tex]\sqrt{16}[/tex] × [tex]\sqrt{-1}[/tex] × [tex]\sqrt{5}[/tex]

= 4i[tex]\sqrt{5}[/tex] → C

Answer Link

Otras preguntas

What elements of a dystopia are present in the selection from Gulliver's Travels?

What if the following is NOT a product of science? A. Your water bottle. B. Lights in your home. C. Sunscreen. D. None of these

Here's the question:

Surface waves cause the most damage, but they are ironically called _____.Loose wavesLove wavesLight wavesLemon waves

3 1/8 / 5/8 what is the estimated answer

What float system rises and sinks in upper ocean to collect date and transmit to satellite?

Which transformation best describes the graph of f(x) = 5ex + 3 as a transformation of the graph of g(x) = ex? a vertical stretch of 5 and a horizontal transla

David and his family were driving home from Colorado. As they drove through the Rocky Mountains, it started to snow heavily. David considered all his options, a

Solve the proportion. x=1/3 = x/2 a=5 b=2 c=10 d=1

Causes of the ???? Money, bad harvest, unfair Estate System, Estates General, American Revolution, and Enlightened ideas Corrupt government