Answer: 4x + y = 0
Step-by-step explanation: To determine whether the function 4x + y = 0 is linear, quadratic, or neither, let's first set the function equal to y by subtracting 4x from both sides to get y = -4x or y = -4x + 0.
Now, we can see y = -4x + 0 is in the form y = mx + b.
When a function is written in the form y = mx + b, we know that it's a linear function.
Another way to tell that it's a linear function is that the x in the function is raised to the first power.