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

will fan and medal

Answer 2

5.5 , -5.5

Answer 3

this time absolutely correct

Answer 4

lol are you sure....... but honestly how did you get that answer

Answer 5

this was right, 100%

Answer 6

simply take roots both side, and find the square root of 121 and 4, which is 11 and 2 respectively.
than solve equation as\[2x=\pm 11\]

Answer 7

you got the right answer as 5.5 and -5.5

Answer 8

to the nearest tenth means to 1 decimal place.