a3ngr1aceboo a3ngr1aceboo

02-12-2016
Mathematics

contestada

What are the solutions to the equation x2 = 64?

A.
8 only

B.
32 and –32

C.
8 and –8

D.
32 only

Respuesta :

kittysage kittysage

02-12-2016

[tex]x^2=64[/tex]
[tex]\sqrt{x^2}=\pm\sqrt{64}[/tex]
[tex]x=\pm8[/tex]

[tex](\pm32)^2[/tex] is 1,024.
Also, all square root functions have a positive and a negative result.

Answer Link

Otras preguntas

Brian has 3/4 hour to work on his math problems. It’s takes him 1/8 hour to finish one math problem can brian finish during this time?

6. Find the volume of a frustum of a right pyramid whose lower base is a square with a side 5 in. and whose upper base is a square with a side 3 in., and who

What is the slope of-5y=2x

Order these numbers from least to greatest 6.76,67/10,6.724,6 2/4

Raphael went to the store and bought212 pounds of chicken for $9.00. What was the cost per pound of the chicken? Round your answer to the nearest cent, if nec

uppose the sales tax rate in a certain state is 8% of the purchase price. If a new food processor sells for $750, how much is the sales tax?

Your friend is confiding in you that he is getting a divorce from his wife of 10 years. they have two children aged 6 and 8 years. he knows that he is unlikely

The Han emperor Wudi invented a bureaucratic system to help the Han run the empire what was it based upon A legalism B Confucianism C daoism D mandate of heaven

Prompt: What types of things do you do at your house? Use the -ir verbs that you've learned to describe the activities you, your family, and your friends do at

Which of the following is a true statement about themes? Question 1 options: a.Themes are always explicitly stated in a piece of literature. b. Themes need