Slope of a line making an angle of 60° with the positive direction of X -axis is _____________ .
1
√3
√2
The slope of the line perpendicular to the line 5x - 2y +4=0 is
2/5
-2/5
2
5/2
The slope of the line parallel to X -axis is _____________ .
0
5
7
If two lines intersect at right angles, then the product of their slope is
-1
α
Equation of the line passing through the origin and having a slope m is
y=mx
y = mx +c
y = x + c
None of these.
The equation of a line passing through (3, 2) and perpendicular to y = x is
x-y =5
x +y =5
x +y = 1
x - y = 1
The slope of the line 3x + y +7 = 0 is _________ .
-7
3
-3
The line y = mx+c cuts the Y -axis at _______________ .
c
m
The line y = mx passes through ---------
X -axis
Y - axis
Origin
none of these.
The area of a triangle with vertices A, B, C is zero, then A, B, C are
collinear
coplanar
both (a) and (b)
