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4. Pair of Linear Equations in Two Variables
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Q2 of 40 Page 86

Check whether the following equation are consistent or inconsistent. Solve them graphically.

3x + 2y = 5


2x -3y = 7

3x + 2y = 5 2x -3y = 7



Here, a1 = 3, b2 = 2, c1 = 5


a1 = 2, b2 = -3, c1 = 7


∴



∴ two equations are consistent.



More from this chapter

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1

By comparing the ratios find out whether the lines represented by the following pairs of linear equations intersect at a point, are parallel or are coincident.

9x + 3y + 12 = 0


18x + 6y – 24 = 0

1

By comparing the ratios find out whether the lines represented by the following pairs of linear equations intersect at a point, are parallel or are coincident.

6x – 3y + 10 = 0


2x - y + 9 = 0

2

Check whether the following equation are consistent or inconsistent. Solve them graphically.

2x - 3y = 8


4x -6y = 9

2

Check whether the following equation are consistent or inconsistent. Solve them graphically.


9x -10y = 12

Questions · 40
4. Pair of Linear Equations in Two Variables
1 1 1 2 2 2 2 2 2 2 2 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 10 1 1 1 1 1 1 1 1 2 2 2
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