The gradient of the line 2x+y=7 is.
2
-2
7
-7
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)
The two lines with gradient m1 and m2 are parallel if.
m1+ m2 = 0
m1 = m2
m1 = 1/m2
m1m2 = 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 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.
Which one of the points A(5,2), B (6,-3) and C(4,7) is the midpoint of the other two?
A (5,2)
B (6,-3)
C (4,7)
None of these
The length of the line segment joining the points (2a,a) and (10a, -14 a) is.
17 a2
17a
15 a2
The gradient of a line which is perpendicular to one with gradient
The point of intersection of the lines 3x+4y = 33 and 2y = x-1 is.
(3,7)
(-3,7)
(7,3)
(7,-3)
The length of the line segment joining the points(-3,2) and (1,-1) is.
3
4
5
6