What is the slope and y-intercept thins bar graph???

Question

X| 0|3|6|9|12

Y|1|10|19|28|37

Answer 1

Each time x increases by 3, y increases by 9. So, the points lie on a line with slope 9/3 = 3.

When x = 0, y = 1. The y-intercept is 1 (that is the point (0,1) )