1. Desmos Graphing Calculator
Coordinate Geometry Examples
Colleen Young

2. Desmos Graphing Calculator
Use the examples here to help you
answer questions on lines and circles

3. Desmos Graphing Calculator
Note that many slides have hyperlinks
which will take you direct to a Desmos
page you can experiment with.
The images link to a Desmos page.

4. Find the equation of a line parallel
to 5y+4x=3 which passes through
the point (2,-1)

5. Describe fully the curve whose
Equation is x2+y2=4

6. A=(-1,-3) B=(5.7)
Calculate the equation of the
perpendicular bisector of AB

7. Show that the line y=3x-10 is a
tangent to the circle x2+y2=10

10. Find the equation of the line shown.
(through point shown and
perpendicular to SR)

11. A circle has diameter
AB where A=(1.3) and
B=(7,-1).
Find the equation of
the circle.
The line y+5x=8 cuts
the circle at A and
again at D. Find the
coordinates of D.

12. Find the equation of the line
through A (3,1) which is
perpendicular to AB