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

Refer to the graphic novel frame below. The brochure says that the rope is 500 feet long. Jacob drew a triangle in the sand that is similar to the actual triang
What do you think would happen to an *organism if something went "wrong" in tissue development? What would be the chain of events that would occur?
выполните пожалуйста​
What is the difference between "un," "une," and "des" in French? What is the difference between "le," "la," "les," and "l'" in French?
help me plssssssssssssssssssssssssssssss
If a chemist has 5.0 g/mL substance and measures 7.4 g, what is the volume of the substance?
what is vertical line?​
Convert 0.431 to a fraction.
Help please! Correct answer gets brainlesst . Here is a sketch of Noah's bedroom He wants to create a scale drawing of his bedroom to show to his designer. Th
What invention helped ancient Mesopotamians harvest their crops quickly and efficiently? А the adze B the sickle с the steel plow D the stone mortar