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If the lines given by 3 x + 2 ky = 2 and 2x + 5y + 1 = 0 are parallel, then value of k is
The pair of equations ax + 2y = 7 and 3x + by = 16 represent parallel lines if
If x = a, y = b is the solution of the equations x  y = 2 and x + y = 4, then the values of a and b are, respectively
The equations equivalent to the equations:
The pair of equations 5x  15y = 8 and 3x  9y = 24/5 has
The value of k for which the system of equations 2x + ky = 12, x + 3y  4 = 0 are inconsistent is
The pair of equations y = 0 and y = 7 has
Graphically, the pair of equations 6x  3y + 10 = 0; 2x  y + 9 = 0 represents two lines which are
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
115 videos478 docs129 tests

115 videos478 docs129 tests
