Question

really need help. please help.



Which of the following is the solution to the equation 8^(y + 2) = 2^y ?

Answer 1

if you can get both sides of the equation to become

2^(something) = 2^(something else)

you can simplify

something = somethingelse

Answer 2

not ringing any bells cause its so early in the morning......

Answer 3

can you express 8 as a power of two?

Answer 4

have you had your breakfast yet?

Answer 5

Breakfast is an important part of mathematics, vital even. You should have your Wheaties before trying to do algebra!
But....
\[2^x=8\]
x=?

Answer 6

\[2^x=\overbrace{2\times2\times\dots\times2}^{x\text{ times}}\]