Answer
-4.375
Work Step by Step
Finding the inverse constant, we find:
$$k=xy=(-2.5)(-7)=17.5$$
When $x=-4$:
$$y=\frac{17.5}{-4}=-4.375$$
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.