What is the slope and y intercept of the graph?

Captionless Image slope = 1 y-intercept = 2 slope = 1/2 y-intercept = 2 slope = 2 y-intercept = 1 slope = 2 y-intercept = -2

What is the slope and y intercept of the graph Captionless Image slope 1 yintercept 2 slope 12 yintercept 2 slope 2 yintercept 1 slope 2 yintercept 2 class=