Equation of two parallel straight lines differ by
x term
y term
constant term
xy term
The equation of a line through the point (1,2) whose distance from the point (3,1) has the greatest value, is
y = 2 x
y = x + 1
x + 2 y = 5
y = x + 7
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
If the pair of straight lines given by a x2 + 2 h xy + b y2 = 0 are perpendicular then
a b = 0
a + b = 0
a - b = 0
a = 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
2
3
The equation of x- axis is
x = 0
x = 0, y= 0
y = 0
x = 4
Which of the following is the equation of a straight line that is neither parallel not 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 length of the diameter of a circle with centre (2,1) and passing through the point (-2,1) is
4
8
4√5
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
If the straight lines a1x+b1y + c1 = 0 and a2x + b2y + c2 = 0 are perpendicular, then
a1a2 = -b1b2
