to find the y int, sub in 0 for x and solve for y
y = 1/3x - 6
y = 1/3(0) - 6
y = -6.....so the y int is -6 or (0,-6) <==
to find the x int, sub in 0 for y and solve for x
y = 1/3x - 6
0 = 1/3x - 6
-1/3x = -6
x = -6 / (-1/3)
x = -6 * -3
x = 18....so the x int is 18 or (18,0) <==
