Please help me lol Im not good at this stuff

The answer is c if they move it 8 units on the x axis it’s gonna stay on the x axis but the image would be in a different plate then what it is now

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.