Question

Can someone explain wut it means

Answer 1

It is the spot at which the line, parabola, hyperbola, etc. crosses the y-axis.

Explanation:

In a graph, there is an x-axis and a y-axis. The line passes through the y-axis at a single point (unless the line is on the y-axis all the way through), and this point is the y-intercept.

Answer 2

In the formula y=mx+b, b is the y-intercept. This means that it’s the point on the graph where the line intercepts on the y-axis.
For example if you have (2,5) that would be y=2x+5, so the y-intercept would be 5