Question

identify the y - intercept. what is b?

Explanation:

Step1: Locate y-axis intersection point

The y-intercept is where the line crosses the y-axis (where $x=0$). From the graph, the line crosses the y-axis at $(0, -1)$.

Step2: Define y-intercept $b$

In the linear equation form $y=mx+b$, $b$ is the y-coordinate of the y-intercept point.

Answer:

$-1$