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 graphical representation of a pair of equations 4x + 3y – 1 = 5 and 12x + 9y = 15 will be a) parallel lines b) coincident lines c) intersecting lines d) perpendicular lines 6) If the lines 3x+2ky – 2 = 0 and 2x+5y+1 = 0 are parallel, then what is the value of k? a) 4/15 b) 15/4 c) ⅘ d) 5/4 7) 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

Pair of linear equation in two variables

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