Which equation represents a line which is parallel to the y-axis? Submit Answer
O y = x + 2
O2 = -2y
O y = -1
O2 = -2

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.