Question

HELP!!!!!

3^2x+1=1/81

Answer 1

this one is actually pretty easy with a few tricks.

Answer 2

\[3^{2x+1} = \frac{1}{81}\]
\[3^{2x+1} = \frac{1}{3^4}\]
\[3^{2x+1} = 3^{-4}\]

Answer 3

then I can cancel the 3s

Answer 4

yes, technically you are taking log(base 3) both sides :)

Answer 5

then its 2x+1=-4

Answer 6

exactly!

Answer 7

sweet then solve from there!!

Answer 8

perfect, you've got it!

Answer 9

answer is

Answer 10

x=-5/2?

Answer 11

let's see....... yes!

Answer 12

perfect ty

Answer 13

yw