Slope 0, y intercept is 5. If the slope is 0 it means it is a horizontal line.
Slope 2, y intercept -1. The line cuts y axis in -1 and the rate is 2
Slope -2, y intercept 1. The line cuts y axis in 1 and the rate is -2
Slope -12, y intercept -1. The line cuts y axis in -1 and the rate is -12