NB.4 points
1. Which of the following represents the graph of the sum of -9 + 121 and 8 - 10
nary
in
arya

The correct answer is: b

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.