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

4x2 = 121

(Points : 1)
30.25, −30.25
5.5, −5.5
11, −11
2.75, −2.75

Question

Solve the equation. If necessary, round your answer to the nearest tenth.

4x2 = 121 

(Points : 1)
       30.25, −30.25
       5.5, −5.5
       11, −11
       2.75, −2.75

amorfide · Answer

if that is $$4x ^{2}=121$$
then divide by 4 to isolate $$x ^{2}$$
then square root to get a positive and negative answer

anonymous · Answer

30.25 +,-

amorfide · Answer

yes that is when divided by 4, now squareroot (30.25)

anonymous · Answer

thanks

divinesolar · Answer

Let me see if i get the same thing.

divinesolar · Answer

That is wrong!

divinesolar · Answer

@Mr1337 wrong answer...

divinesolar · Answer

Well alright wrong anyways.

amorfide · Answer

how is 121/4 not equal to 30,25?

anonymous · Answer

K-12 people I got to k-12 and I got 100% on this test the correct answer is 11/2  -11/2= 5.5, -5.5 so basically....B ;D