The two lines represented by the equations: 6x - 3y + 10 = 0 and 2x - y + 9 = 0, are _______.
intersecting at one point
intersecting at two points
parallel
coincident
On comparing the ratios a1a2,b1b2, and c1c2, find out whether the lines representing the following pairs of linear equations intersect at a point, are parallel or coincident: