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 slope of the straight line 2 x -3 y + 1 = 0 is
-2/3
-3/2
2/3
3/2
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
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 y- intercept of the straight line 3 x + 2 y -1 = 0 is
2
3
1/2
-1/2
The length of the diameter of a circle with centre (2,1) and passing through the point (-2,1) is
4
8
4√5
Equation of two parallel straight lines differ by
x term
y term
constant term
xy term
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
If the straight lines a1x+b1y + c1 = 0 and a2x + b2y + c2 = 0 are perpendicular, then
a1a2 = -b1b2
The equation 12x2 + 7xy + ay2 + 12x - y + 3 = 0 represents a pair of perpendicular lines. Then, the value of 'a' is.
7/2
-19
-12
12
