Two lines with gradient m1 and m2 are perpendicular if.
m1m2 = -1
m1m2 = 1
m1- m2 = -1
m1/m2 = -1
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
In the equation of the line y= mx+c where m and c are constants,c is called
x- intercept
y- intercept
x- coordinate
y-coordinate
The gradient of the line 2x+y=7 is.
2
-2
7
-7
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 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)
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 (p+ 4q, p-q) and (p- 3q,p) is.
The length of the line segment joining the points (2a,a) and (10a, -14 a) is.
17 a2
17a
15 a2
The length of the line segment joining the points(-3,2) and (1,-1) is.
3
4
5
6
