-3
To find the y-intercept, set x=0. So "6x - y = 9" becomes "6(0) - y = 9 "
This reduces to y = -9.
So the y-intercept is -9; its coodinates are (0,-9).
y=9
5
15
Put in function, Y = mX + C, form. 6X + 3Y = - 9 3Y = - 6X - 9 Y = - 2X - 3 -------------------- m(slope) = - 2 ----------------------
y=6x-16 y=-2x+8
-6x + y = 9 (+6x) -> y = 6x + 9
-3
-3
y=9
-3
-3
-3
x=1.5 and y=6x so y=6(1.5) y=9
y = -9
-9
5
15