1) The linear equation 4x – 10y = 14 has: a) A unique solution b) Two solutions c) Infinitely many solutions d) No solution 2) Graphically, the pair of equations 7x – y = 5; 21x – 3y = 10 represents two lines which are a) Intersecting at one point b) Parallel c) Intersecting at two points d) Coincident 3) The pair of equations x = 0 and x = 5 has a) No solution b) Unique/one solution c) Two solutions d) Infinitely many solutions 4) The pair of equation x = – 4 and y = – 5 graphically represents lines which are a) intersecting at (- 5, – 4) b) intersecting at (- 4, – 5) c) intersecting at (5, 4) d) intersecting at (4, 5) 5) One equation of a pair of dependent linear equations is 2x + 5y = 3. The second equation will be a) 2x + 5y = 6 b) 3x + 5y = 3 c) -10x – 25y + 15 = 0 d) 10x + 25y = 15 6) If x = a, y = b is the solution of the equations x + y = 5 and 2x – 3y = 4, then the values of a and b are respectively a) 6, -1 b) 2, 3 c) 1, 4 d)  19/5,  6/5 7) The graph of x = -2 is a line parallel to the a) x-axis b) y-axis c) both x- and y-axis d) none of these 8) The graph of y = 5 is a line parallel to the a)  x-axis b) y-axis c) Both axis d) None of these 9) The graph of y = 4x is a line a) parallel to x-axis b) parallel to y-axis c) perpendicular to y-axis d) passing through the origin 10) Two equations in two variables taken together are called a) quadratic equations b) linear equations c) simultaneous equations d) none of these

Linear equations

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