Multiple Choice Questions Worksheet 1- Pair of linear equations in two variables

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Q1 The equation of a line which is parallel to 2x + 3y = 6 is *

4x + 3y = 6

2x + 6y = 6

x + 3y = 12

2x + 3y =12

Q2 The equation of a line which is intersecting to 2x + 3y = 6 is *

2x + 3y = 12

4x + 3y = 6

2x + 6y = 12

x + (1/3)y = 12

Q3 The equation of a line which is coincident to 2x + 3y = 6 is *

2x + 3y = 12

4x + 3y = 6

4x + 6y = 12

x + (1/3)y = 12

Q4 The equation of a line which is not coincident to 3x + 3y = 13 is *

12x + 13y = 12

6x + 6y = 26

9x + 9y = 39

x + y = 13/3

Q5 The value of k for which the pair of equations x + 2y -3 = 0 and 5x + ky + 7 = 0 has no solution is *

Q6 The value of k for which the pair of equations 2x + 3y - 5= 0 and 4x + ky -10= 0 has infinite solutions is *

Q7 The value of k for which the pair of equations x + 2y = 5 and 3x + ky = -15 has no solution is *

-6

3/2

2/3

Q8 If am is not equal to bl, then the pair of equations ax + by = c and lx + my = n has *

unique solution

no solution

infinitely many solutions

only two solutions

Q9 For what value of k, do the pair of linear equations 3x - y + 8 = 0 and 6x - ky + 16 = 0 represents coincident lines? *

-2

1/2

-1/2

Q10 When pair of linear equations is consistent, then the lines are always *

intersecting

parallel

coincident

coincident or intersecting

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