Question

Solve the equation. If necessary, round your answer to the nearest tenth.

4x^2 = 121


2.75, −2.75
5.5, −5.5
11, −11
30.25, −30.25

Answer 1

same like last one
take square root both side
or u can subtract 121 both side then do difference of square method

Answer 2

square root of 121 = ??

Answer 3

11

Answer 4

C

Answer 5

its 5.5, -5.5

Answer 6

u have to take square root both side

Answer 7

http://openstudy.com/code-of-conduct DIRECT answer are not allowed

Answer 8

u have to take square root both side

Answer 9

ok thanks

Answer 10

\[\sqrt{4x^2} = \sqrt{4} \times \sqrt{x^2} = ???\]

Answer 11

when u divide both side 2