General Form of a Pair of Linear Equations in Two Variables
Trending Questions
Q. If the pair of linear equations a1x+b1y+c1=0 and a2x+b2y+c2=0, (a1, b1, c1, a2, b2 and c2 are all real numbers and a1, b1, a2, b2, are not equal to zero) represents parallel lines, then which of the following is correct?
- a1a2=b1b2≠c1c2
- a1a2≠b1b2
- a1a2=2b1b2=2c1c2
- a1a2=b1b2=c1c2
Q. In the equation ax+by+c=0, the line is parallel to x axis when a = .
- 2
- 0
- 1
Q. The line ax+by+c=0, is parallel to x axis when a = .
- 2
- 0
- 1
Q. What are the values of a, b and c for the equation y=0.5x+√7 when written in the standard form: ax+by+c=0 ?
- 0.5, 1, −√7
- 0.5, −1, √7
- −0.5, 1, √7
- 0.5, 1, √7
Q. If am ≠bl, then the system of equations
(a) has a unique solution
(b) has no solution
(c) has infinitely many solutions
(d) may or may not have a solution
(a) has a unique solution
(b) has no solution
(c) has infinitely many solutions
(d) may or may not have a solution