Ineed to turn this equation (letter b) into a y=mx+b equation

What is the solution set of the quadratic inequality x^2-5< or equal to 0

Ineed to know the answer to this algebra question.

Ialready asked this but i never got an answer. will give a high rating and perhaps brainliest. choose the linear inequality that describes the graph. the gray area represents the shaded region. y ≤ –4x – 2 y > –4x – 2 y ≥ –4x – 2 y < 4x – 2