Question

Which of the following is the solution to the equation 8^(y+2)=2^y
A.y = 1
B.y = 3
C.y = –3
D.y = –1

Answer 1

Why don't you just plug in the values and see which one works?

Answer 2

@Mertsj can you show me how?

Answer 3

Replace y with 1

Answer 4

8^(1+2)=2^1?

Answer 5

yes

Answer 6

Is that true?

Answer 7

@Mertsj no. I think the answer would be -3?

Answer 8

I agree. Good job!!

Answer 9

@Mertsj thank you!