Lines 15x - 18y + 1 = 0 , 12x +10 y - 3 = 0 and 6x + 66y - 11 = 0 are
Concurrent
Perpendicular
Parallel
None of these
The equation of lines passing through (3,2) and perpendicular to y = x is.
x - y = 5
x + y = 5
x + y = 1
x - y =1
If lines 2x + 3ay - 1 = 0 and 3x + 4y + 1 = 0 are mutually perpendicular , then a =
2
-1/2
1/2
1
The equation of line which passes through (1,-2) and cuts equal intercepts with coordinate axis is.
x - y = 1
x + y + 1 = 0
x - y - 2 = 0
The slope of a line parallel to a line whose slope is-3
-3
3/2
3
-3/2
A straight line makes angle 135o with x - axis and cut y - axis at distance -5 from origin.The equation of line is.
2x + y + 5 = 0
x + 2y + 3 = 0
x + y + 5 = 0
x + y + z = 0
The distance between lines 3x + 4y = 9 and 6x + 8y = 15 is.
3/10
6
2/3
If P is the length of perpendicular from origin to the line which intercepts a and b on axes , then.
a2 + b2 = p2
a2 + b2 = 1/p2
1/a2 + 1/b2 = 2/p2
1/a2 + 1/b2 = 1/p2
The equation of the line passing throgh the origin and parallel to the line 3x + 2y - 5 = 0
3x - 2y + 5 = 0
2x + 3y = 0
3x + 2y = 0
2x - 3y = 0
The slope and y-intercept of the line y = √3x - 7 are
√3 and 7
3 and 49
√3 and -7
-√3 and 49
