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

what are the lithospheric plates
When leaders use religious laws to govern, they most likey represent? A democracy, an autocratic you, a monarchy, a theocracy
What was the main objective of the national origins act of 1924
plz help! ive been stuck on this forever
Multiply and simplify. 2x^2 y^3 z^2 · 4xy^4 x^2 I will mark you brainliest if right. Show how you got the answer, please!
Find two numbers if their ratio is 4:7 and their difference is 123. help
Pouvoir or vouloir? Complete the following sentences by filling in the blank with the correct form of either pouvoir or vouloir. (In some cases, either verb may
How did France’s tax policies contribute to the French Revolution?
I need help on this question please help me get the answer
Read the excerpts from The Land. [Willie] turned to my daddy. "It's my boy Mitchell done this, Mister Edward, and I know there ain't no way t' make it up t' ya