Answer
a. $ -14 $
b. $ 9 $
Work Step by Step
a. The opposite of 14 is $-14$ because that is the value that shares an absolute value of the term and lies on the other side of the number line.
b. The opposite of $-9$ is $9 $ because that is the value that shares an absolute value of the term and lies on the other side of the number line.