The area of a triangle with vertices A, B, C is zero, then A, B, C are
collinear
coplanar
both (a) and (b)
None of these.
In plane, the horizontal reference line is called ----------- and the vertical reference line is called --------.
X-axis, Y- axis
Y - axis
Y - axis, X - axis
Y - axis, origin
A point on the Y -axis is
(0, 2)
(4, 0)
(-3, 4)
(2, -1)
If two lines intersect at right angles, then the product of their slope is
1
0
-1
α
The line y = mx passes through ---------
X -axis
Origin
none of these.
The line y = mx+c cuts the Y -axis at _______________ .
c
m
The slope of the line joining (4, 6) and (2, -5) is
6/5
-2/4
5/6
11/2
The slope of the line 3x + y +7 = 0 is _________ .
7
-7
3
-3
The slope of the line parallel to X -axis is _____________ .
5
The equation of a line joining points ( -5, -6) and (3, 10) is
x -2y =4
2x -y +4 =0
2x +y =4
2x +y +4 = 0