find all real or imaginery solutions.

Question

I came up with {-6,6}, is this correct or have I missed something?

-4k^2+144=0
-144=-144
-4k^2/-4=-144/-4
K^2=36
x=+or- sqrt 36
x=+or-6

Answer 1

Hi:

You are absolutely correct.

Regards,

Rich B.

Answer 2

15.2