Please help! Identify which of the following is not equivalent to a1/4 Answers (images below)
no links please!

B

Step-by-step explanation:

A) ÷ cannot be the answer. When a to the power of x is divided by a to the power of y it is a to the power of x-y. Ex: ÷

So 3/4-1/2 is 1/4 giving us

B is the answer because taking the square root of a is the same as which isn't the same as

C is not the answer because when a to the power of x is multiplied by a to the power of y it is a to the power of x+y. Ex:  ·=

1/8+1/8=1/4 so it is

D can't be the answer. squared is the same as · so the same explanation of c applies to d