What will be the coordinates of n after a 90° counterclockwise rotation around the origin a (-7, -3) b (-7, 0) c (3, 7) d (-3, -7)

108

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.