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 equation of the straight line containing the point (-2,1) and parallel to 4 x - 2 y = 3 is
y = 2 x + 5
y = 2 x - 1
y = x - 2
y = 1/2 x
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 radius of the circle x2 + y2 - 2x + 4y - 4 = 0 is
1
2
3
4
Which of the following has the greatest y - intercept in magnitude?
2 x + 3 y = 4
x + 2 y = 3
3 x + 4 y = 5
4 x + 5 y = 6
The y- intercept of the straight line 3 x + 2 y -1 = 0 is
1/2
-1/2
The slope of the straight line 2 x -3 y + 1 = 0 is
-2/3
-3/2
2/3
3/2
If a line with Y - intercept 2, is perpendicular to the line 3 x - 2 y = 6, then its x - intercept is
-4
If the straight lines a1 x+b1 y + c1 = 0 and a2 x + b2 y + c2 = 0 are perpendicular, then
a1a2 = -b1b2
