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 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

how many meters in 1000 mm
Which statements about acceleration are true? Check all that apply. A. The symbol for acceleration is . B. For acceleration, you must have a numbe
what you think about the book "The devil and the miss prime"
Divide 7/8 divided by 1/4 A) 3 1 2 Eliminate B) 4 C) 7 16 D) 7 32 please help quickly
Help Fast Which of the following is a binomial experiment? Rolling a six-sided number cube 24 times and recording if a 4 comes up Rolling a six-sided number cub
The British landed on which region of the United States?
!!!!!!!!!!!!50 POINTS!!!!!!!!!!! Question bellow!
A severe car accident which incurs a huge hospital bill is an example of which explanation for poverty?
The human skeleton has 206 bones. True False
which of the following best describes why Islam is an important religion in many parts of North Africa today