Answer to Question #86625 in Physics for zainab

Question

if the equation of a graph is given as y=mx + b; at x=0, y=b; it means that;

Answer 1

The given equation is clearly a linear function (straight line).

In the point x=0, the corresponding y is y=b, which means that the line crosses the y-axis (vertical) in the point y=b.

On a side note, m is the slope of the line.