The y- intercept of the straight line 3 x + 2 y -1 = 0 is
2
3
1/2
-1/2
The equation of the line passing through the point of intersection of the lines x - 3 y + 2 = 0 and 2 x + 5 y - 7 = 0 and perpendicular to the line 3 x + 2 y + 5 = 0 is.
2 x - 3 y + 1 = 0
6 x - 9 y + 11 = 0
2 x - 3 y + 5 = 0
3 x - 2 y + 1 = 0
If a line with Y - intercept 2, is perpendicular to the line 3 x - 2 y = 6, then its x - intercept is
-4
1
The centre of the circle x2 + y2 + 2 x - 4 y - 4 = 0 is
(2, 4)
(-1, 2)
(1, 2)
(-2, -4)
Equation of two parallel straight lines differ by
x term
y term
constant term
xy term
When h2 = a b the angle between pair of straight lines a x2 + 2 h x y + 2 h x y + b y2 = 0 is.
π/4
π/6
π/2
0o
The radius of the circle x2 + y2 - 2x + 4y - 4 = 0 is
4
The equation 12 x2 + 7 x y + a y2 + 12 x - y + 3 = 0 represents a pair of perpendicular lines. Then, the value of 'a' is.
7/2
-19
-12
12
Which of the following is the equation of a straight line that is neither parallel nor perpendicular to the straight line given by x + y = 0.
y = x
y - x + 2 = 0
2 y = 4 x + 1
y + x + 2 = 0
The slope of the straight line 2 x -3 y + 1 = 0 is
-2/3
-3/2
2/3
3/2
