CAIE IGCSE Mathematics Core Coordinate Geometry Question Bank
Practise coordinates, gradients, straight-line equations, parallel and perpendicular lines, midpoints and distances across coordinate geometry.
- Syllabus
- 2028–2030
- Topic
- 3
- Level
- Core
Practise coordinates, gradients, straight-line equations, parallel and perpendicular lines, midpoints and distances across coordinate geometry.
The diagram shows a point P and three triangles, A, B and C, on a 1 cm2 grid.

Write down the coordinates of point P.
(, )
4, -3

The graph shows the cost, $ c, of travelling a distance, d km, with Saanvi's Taxis.
Find the equation of the line.
[c=] 3.5 d
1
FT their (a)(i)(b)
Krishna's Taxis cost $ 5 to hire plus $ 2 for each kilometre travelled.
Find an equation for the cost, $ c, of travelling d kilometres with Krishna's Taxis.
c=2d+5
M1 for 2d+k or md+5, m=0.
On the grid, draw a line to show the cost of travelling with Krishna's Taxis.
Correct ruled line.
M1 for ruled line with intercept (0,5), or with gradient 2, or for 2 correct points plotted, or for their c=2d+5 correctly drawn.
The diagram shows a line L and two points, A and B, on a grid.

Write down the coordinates of point A.
(-2,4)
Find the gradient of line L.
-0.5 oe
Write down the equation of line L in the form y=m x+c.
[y=]-0.5x+3
FT their (b)(i)
B1FT for [y=]-0.5x+c or for [y=] their (b)(i)x+c or for [y=]mx+3
The grid shows a line L.

Find the equation of line L.
Give your answer in the form y=m x+c.
y=−21x+2
M1 for rise ÷ run, y=kx+2 where k=0, or y=−21x+j oe
On the grid, draw the graph of y=2 x+5.
Correct ruled line on grid
Write down the equation of the line that is parallel to y=2 x+5 and passes through the point (0,18).
y=2x+18