The GCF is 9.
If you mean: -4.5x+9y = 18 then it is a straight line equation
Put in slope intercept form and read it off the equation. 4X - 9Y = 18 - 9Y = - 4X + 18 Y = (4/9)X - 2 =========== 2 is the Y intercept.
The GCF is 6.
The GCF is 9.
The GCF is 4.
The GCF is 30.
50
The GCF of 125, 200 is 25.
The GCF is 5.
The GCF is 2.
The GCF is 3.
The GCF is 27.