The figure below has a point marked with a large dot. First, translate the figure 8 units to the left and 7 units up.
Then, give the coordinates of the marked point in the original figure and the final figure.

Point in original figure:
Point in final figure:

!!

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.