## nuccioreggie one year ago Solve: x^2 = 144 I got -12 am i correct

1. nuccioreggie

2. anonymous

yeah 12 or -12

3. anonymous

^

4. nuccioreggie

@Nnesha

5. anonymous

You can use either -12 or +12 so you would usually write it out as $\large \pm 12$

6. anonymous

if you are solving for "x" then your best answer choice is "12" or "-12" like Rhystic said or like LeegendarySadist said.

7. nuccioreggie

Solve x2 = 144. 72 12 ±12 −12

8. nuccioreggie

So C

9. anonymous

yes

10. anonymous

Yes, C, since you can use both positive and negative 12.

11. nuccioreggie

So C