Linear Equations and Graphs

149.
O x y l 2 A

The line l has a gradient of 12 .
(a) Write down the equation of l.
(b) The line l meets the x-axis at A. Find the x-coordinate of A.
(a) ......................... (b) .........................
Paper 1
146.
The diagram shows a line drawn on the grid.
-2 -1 0 1 2 -1 1 2 3 4 5 6 x y

Find the equation of the line.
................................. [2]
Paper 1