1) The pairs of equations x+2y-5 = 0 and -4x-8y+20=0 have: a) Unique solution b) Exactly two solutions c) Infinitely many solutions d) No solution 2) If a pair of linear equations is consistent, then the lines are: a) Parallel b) Always coincident c) Always intersecting d) Intersecting or coincident 3) The pairs of equations 9x + 3y + 12 = 0 and 18x + 6y + 26 = 0 have a) Unique solution b) Exactly two solutions c) Infinitely many solutions d) No solution 4) The solution of the equations x-y=2 and x+y=4 is: a) 3 and 1 b) 4 and 3 c) 5 and 1 d) -1 and -3 5) The solution of 4/x+3y=14 and 3/x-4y=23 is: a) ⅕ and -2 b) ⅓ and ½ c) 3 and ½ d) 2 and ⅓ 6) The pair of equations x = a and y = b graphically represents lines which are a) parallel  b) intersecting at (b, a) c) coincident  d) intersecting at (a, b) 7) The value of c for which the pair of equations cx – y = 2 and 6x – 2y = 3 will have infinitely many solutions is a) 3  b) -3  c) -12  d) no value

Pair of linear equation in two variables

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