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

Answer 1

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

Answer 2

30.25 +,-

Answer 3

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

Answer 4

thanks

Answer 5

Let me see if i get the same thing.

Answer 6

That is wrong!

Answer 7

@Mr1337 wrong answer...

Answer 8

Well alright wrong anyways.

Answer 9

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

Answer 10

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