SOLUTION: can you please help with this question 4y^2 = 600 a) + or - 12.2 b) + or - 1.22 c) -1.22 only d) 12.2 only if you could show all work that would be great.

Algebra ->  Equations -> SOLUTION: can you please help with this question 4y^2 = 600 a) + or - 12.2 b) + or - 1.22 c) -1.22 only d) 12.2 only if you could show all work that would be great.       Log On


   

Question 491173: can you please help with this question
4y^2 = 600
a) + or - 12.2 b) + or - 1.22 c) -1.22 only d) 12.2 only
if you could show all work that would be great.
Found 2 solutions by mananth, rfer:
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
4y%5E2=600
/4
y%5E2=600%2F4
y%5E2=150
take square root of the equation
y=+/- 12.247



Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
4y^2=600
y^2=600/4
y^2=150
y=sqrt 150
y=12.2
answer D)
Although answer A) would also give you the correct answer.
I don't have the benifit of your lectures.