Write a sentence to describe the relationship between x and y in the table.

They are both unknown variables that when put into the right equation can be solved. ( I hope it helped a little you could just put their both unknown variables )

First step is to get rid of the square root. remember that a square root is the same as raising to the (1/2) power. see below: multiply exponents per exponent rules to get: remember you subtract exponents from the denominator and add exponents in the numerator so: simplify further: so a is the correct choice. if you don't understand this google exponent rules and it will you understand. look at the image results.