Show that the line 4y = 5x-10 is perpendicular to the line 5y+4x = 35.

Find the gradient of the line that is perpendicular to the line 2y = 3+5x.

Find the gradient of the line L.

Find the equation of the line L in the form y = mx+c.

Line L passes through the points

(0, -3) and(6, 9).

(a) Find the equation of line L.

(b) Find the equation of the line that is perpendicular to line L and passes through the point (0, 2).

The equation of a straight line is 2y = 3x+4.

Find the gradient of this line.

The equation of a straight line is 2y = 3x+4.

Find the co-ordinates of the point where the line crosses the y-axis..

Find the equation of line L

The equation of the line L IS y = −2x + 6,

Find the equation of the line perpendicular to line L that passes through (9, 3).

A is the point (8, 5) and B is the point (- 4, 1).

Calculate the length of AB.