Hugo is pumping regular gas into his truck. Write an absolute value equation to represent how many gallons of gas will be pumped when the total is $25 plus or minus $.50. Let x be the number of gallons.

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.