gracibear
gracibear gracibear
  • 04-09-2019
  • Mathematics
contestada

Which expression is equivalent to √-80?
4√5
-4√5
-4i √ 5
4i √ 5

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 07-09-2019

Answer:

  4i√5

Step-by-step explanation:

[tex]\sqrt{-80}=\sqrt{(-1)(16)(5)}=\sqrt{-1}\cdot\sqrt{16}\cdot\sqrt{5}=4i\sqrt{5}[/tex]

Answer Link

Otras preguntas

Determine the measure of ∠DFB. 1) 67° 2) 136° 3) 69° 4) 68°
Determine and state an equation of the line parallel to the line 5x-4y=10 and passing through the point (4,12)
Heyy everyone,HELP ME WITH THIS EXERCISE PLEASE!!! I’M NEEDING YOUR ANSWERS NOW,PLEASE HELP ME:) I WILL GIVE YOU THE BRAINLIEST IF YOU ANSWERS MY QUESTIONS VERY
Solve 3/4 + 1/6 - 2/3
14. Within a given paragraph, incorporating a few of the same sentence starters adds a sense of coherence. A. true B. false 15. Why does an understanding of sen
PLEASE HELP WILL GIVE BRAINLIEST AND 5.0 RATING
Which of the following is a muscle that helps to bring air into a mammal’s lungs? a. diaphragm c. mammary b. endotherm d. none of the above
The German war strategy (Schlieffen Plan) in France requiredspeed aid from the British navy superior numbers surprise attack ​
Your firm is the external auditor of Downe Ltd (Downe). It has accepted a non-audit engagement to review and report on the internal controls over sales, purchas
which factor contributed to the rise of the Akkadian Empire?