Question

write the equation of the line graphed below in simplest form.

Explanation:

Step1: Identify the line type

The line is horizontal and passes through $y = - 3$.

Step2: Write the equation

The equation of a horizontal line is $y = k$, where $k$ is the $y$-coordinate of any point on the line. Here $k=-3$. So the equation is $y=-3$.

Answer:

$y = - 3$