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
Which of the following is a parallel line to 3 x + 4 y + 5 = 0?
4 x + 3 y + 6 = 0
3 x - 4 y + 6 = 0
4 x - 3 y + 9 = 0
3 x + 4 y + 6 = 0
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
4
Equation of two parallel straight lines differ by
x term
y term
constant term
xy term
The length of the diameter of a circle with centre (2,1) and passing through the point (-2,1) is
8
4√5
The three straight lines a x +b y = c, b x + c y = a and c x + a y = b are collinear, if
b + c = a
c + a = b
a + b + c = 0
a + b = c
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
The centre of the circle x2 + y2 + 2 x - 4 y - 4 = 0 is
(2, 4)
(-1, 2)
(1, 2)
(-2, -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