elimachine03 elimachine03

01-03-2018
Mathematics

contestada

What are the solutions to the equation x² = 256?

Respuesta :

jcherry99 jcherry99

01-03-2018

x = 16
x = - 16

You could do it this way
x^2 - 256 = 0
(x - 16)(x + 16) = 0
x - 16 = 0
x = 16

x + 16 = 0
x = - 16

Answer Link

Banabanana Banabanana

01-03-2018

x² = 256
x = ±√256
x = ±16

the solutions are x = -16 and x = 16

Answer Link

Otras preguntas

Can someone use the word delta in a sentence

Can someone use the word delta in a sentence

what is the answer for (20,8),(9,16) ?

what is the answer for (20,8),(9,16) ?

Can someone use the word delta in a sentence

Historians of china have traditionally dated the beginning of Chinese civilization to the founding of the what??

Data are drawn from a symmetric and bell shaped distribution with a mean of 120 and a standard deviation of 5. There are 900 observations in the data set. What

how is mass transit in cities a possible solution tk urban air pollution?

Scarcity is the condition of not having enough goods and services to satisfy everyone's?

Historians of china have traditionally dated the beginning of Chinese civilization to the founding of the what??