dannahisabelle07
dannahisabelle07 dannahisabelle07
  • 15-10-2020
  • Mathematics
contestada

solve x²=49 by extracting sqaure root​

Respuesta :

haggstromamb2
haggstromamb2 haggstromamb2
  • 15-10-2020

Answer:

i think it would be x= 7 or -7

Answer Link
RahmaAbdullatif
RahmaAbdullatif RahmaAbdullatif
  • 15-10-2020

Answer:

+7 / - 7

Step-by-step explanation:

We will take the square root of x as well as the square root of 49 to get rid of the exponent (2).

[tex] {x}^{2} = 49[/tex]

[tex] \sqrt{ {x}^{2} } = \sqrt{49} [/tex]

[tex]x = + 7[/tex]

[tex]x = - 7[/tex]

Answer Link

Otras preguntas

can someone answer this q for my mock rev xx
Which of the following sentences uses correct pronoun-antecedent agreement? A. Julie asked Matt, "Would you mind taking me by the bookstore on your way home?"
What is the slope of this table
how many 8 bit strings contain at least 1 "1"?
Help appreciated!!! I need two paragraphs on the difference between day and night !!! Thank you!
An astronaut is doing a spacewalk on a long tether from the International Space Station (mass of 420,000 kg). His spacesuit includes a very sensitive gravitomet
Select the expressions that are equivalent to 5(4u). 20u - u+20 - u+9 - 5(u+3u)
Why are the humanities relevant to your life or career goals? How will gaining a better understanding of and appreciation for the Humanities help you better dev
Rewrite the following equations in the form y = mx + b. 8x + 2y = 10 12x - 3y = -25​
Two opposite numbers are 16 units away from each other. What are the numbers?