Answer
Slope: 5; y-intercept: (0,0)
Work Step by Step
We are given the line $y=5x=5x+0$.
This line is written in the slope-intercept form $y=mx+b$ (where m is the slope of the line, and the point $(0,b)$ is the y-intercept).
Therefore, the slope of this line is $5$ and the y-intercept is $(0,0)$.