It is called the point of intersection. It will also be the value that satisfies the equation F(x)=G(x) were F and G of x are functions( that are intersecting).
Chat with our AI personalities
No, it is called an intercept.
In the context of two parallel lines and an intercept, they are called interior angles.
Intercept
Unless they are the exact same lines, no. Parallel lines do not touch. If two lines have the same intercept value, they share a point, and therefore touch.
Knowing that they have the same y-intercept, and knowing nothing else, the only thing you can say about the two lines is that they have the same y-intercept. That fact doesn't tell you anything else about them.