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 gradient of a line which is perpendicular to one with gradient 2 is.
-2
1/2
-1/2
1
The equation of the line through the point (-2,5) which is perpendicular to the line y= 3x+1 is.
x+ 3y = 13
x -3y = 13
x + 3y = -13
x- 3y = -13
The two lines with gradient m1 and m2 are parallel if.
m1+m2 = 0
m1 = m2
m1 = 1/m2
m1m2 = 1
The gradient of a line which is perpendicular to one with gradient
The length of the line segment joining the points (p+ 4q, p-q) and (p- 3q,p) is.
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 equation of the line through (4,-3) parallel to y+2x = 7 is.
y-2x = 5
y+2x = 5
y-2x = -5
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 gradient of the lines joining the points (3,8) and ( 5,12) is.
2
3
4
