Two lines with gradient m1 and m2 are perpendicular if.
m1m2 = -1
m1m2 = 1
m1- m2 = -1
m1/m2 = -1
The length of the line segment joining the points (p+ 4q, p-q) and (p- 3q,p) is.
The equation of the line through (1,7) parallel to the x- axis is.
y = -7
y = 7
y+x = 7
y + x = -7
The equation of the straight lines through the point (2,3) with gradient 5 is.
y = 5x+7
y = -5x + 7
y = 5x - 7
y = -5x - 7
The gradient of a line which is perpendicular to one with gradient 2 is.
-2
1/2
-1/2
1
The gradient of the lines joining the points (3,8) and ( 5,12) is.
2
3
4
The point of intersection of the lines 3x+4y = 33 and 2y = x-1 is.
(3,7)
(-3,7)
(7,3)
(7,-3)
The co-ordinates of the midpoints of the line segment joining the points (2,11) and (6,15) are.
(8,26)
(6,13)
(4,11)
(4,13)
Find the length of the median AM in the triangle A (-1,1) , B (0,3) , C (4,7)?
5
6
7
If the vertices of a triangle are A(2,1) , B (2,7) and C(-4,-1). The relationship between BC and MN where M is the mid point of AB and N is the mid point of AC is.
MN = BC
MN = 2 BC
BC = 1/2 MN
BC = 2 MN