Answer
$z\lt 0$.
Work Step by Step
The given statement is
$z$ is negative.
Negative variables are less than zero.
Hence, the correct answer is $z\lt 0$.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.