9. Does the equation y= 2x represent
a linear or a nonlinear function?

linear

Step-by-step explanation:

So, the slope is constant, meaning the graph is a straight line.

So, it is linear.

Liner

Step-by-step explanation: All liner equations are written in  y = mx + b. or (y - y1) = m(x - x1)  and your equation is written in y=mx+b but your equation would start at the orgin on a graph since it does not have a b value

B. Zero

Step-by-step explanation:

y=mx+b is the slope inter form

mx = rise/run

In this case, mx=0/0 which is 0

So the slope is equal to 0