Two lines with gradient m1 and m2 are perpendicular if.
m1m2 = -1
m1m2 = 1
m1- m2 = -1
m1/m2 = -1
The equation of the line through the point (1,1) which is perpendicular to the line 2x-3y=12 is.
3x - 2y = 5
3x + 2y = 5
3x - 2y = -5
3x+ 2y = -5
The length of the line segment joining the points (2,5) and (7,17) is.
13
14
15
16
Find the length of the median AM in the triangle A (-1,1) , B (0,3) , C (4,7).
4
5
6
7
The gradient of a line which is perpendicular to one with gradient
The point P(x,y) lies on the straight line joining A(3,0) and B (5,6). Find expressions for the gradients of AP and PB.
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 coordinates of the midpoint of the line segment joining the points (p+2q, 2p+13q) and (5p-2q, -2p-7q) is.
(p,q)
(2p,2q)
(3p, 3q)
(4p,4q)
The length of the line segment joining the points (2a,a) and (10a, -14 a) is.
17 a2
17a
15 a2
M(5,7) is the midpoint of the line segment joining A(3,4) to B. Find the coordinates of B?
(7,8)
(7,9)
(7,10)
(8,10)
