Pair of Linear ...

If a pair of linear equations is consistent, then the lines will be

Graphically, the pair of equations

6x – 3y + 10 = 0; 2x – y + 9 = 0 represents two lines which are

If 2x – 3y = 7 and (a + b)x – (a + b – 3)y = 4a + b represent coincident lines, then a and b satisfy the equation

Five years ago, A was thrice as old as B and ten years later, A shall be twice as old as B. What is the present age of A?

One equation of a pair of dependent linear equations is – 5x +7y = 2. The second equation can be

A pair of linear equations which has a unique solution x = 3, y = –2 is

The pair of equations x +2y + 5 = 0 and – 3x – 6y + 1 = 0 have

Gunjan has only 1 and 2 coins with her. If the total number of coins that she has is 50 and the amount of money with her is 75, then the number of 1, and 2 coins are respectively

For what value of k, do the equations 3x – y + 8 = 0 and 6x – ky = – 16 represent coincident lines?

The value of c for which the pair of equation cx – y = 2 and 6x – 2y = 3 will have infinitely many solutions is