Question

1.Graphically, the pair of equations 6x – 3y + 10 = 0 , 2x – y + 9 = 0 Represents two lines which are:
Intersecting at exactly one point.
Intersecting at exactly two points.
Coincident.
parallel


2.The value of c for which the pair of equations cx – y = 2 and 6x – 2y = 3 will have infinitely many solutions is
3
-3
12
-12​

Answer 1

Explanation:

see the attachment . you will find answers .