Click here to see graph of the function 9x + 6y = 27

We find the y-intercept by plunging x=0 into 9x + 6y = 27 and solving for y:

9*0 + 6y = 27

6y = 27 divide both sides by 6

y = 27/6

y = 4.5

y-intercept is (0, 4.5).