Y=-4x-1. Since the 1 has to be negative since the equation is y=mx-b. M is the slope and b is the y intercept
Answer: 
Step-by-step explanation:
We need to apply the following identity:

Then, applying this, you know that for
:

We need to remember that:
and 
Therefore, we need to substitute these values into
.
Then, you get:


