What do the slope and y-intercept of the equation represent? the final temperature, in °C, of the water Erika also created a ne of best fit for the data where x is the number of minutes the water has been heated and y is the water's temperature in degrees Celsius. the total time, in minutes, spent heating the water Heating Time (minutes) 0.5 1 1.5 3 3.5 4.5 the initial temperature, in *°C, of the water y-intercept Water Temperature (°C) 56 62 68 8:9 99 y = 10.73 + 51 the increase in minutes of heating time per "C the increase in °C per minute of heating time