3. • What do you call the
figure on the screen?
• Can anyone identify
the different parts of
the figure? How can
we use it?
4.
5. • Also known as Cartesian coordinate system
named after the famous French philosopher and
mathematician Rene Descartes. It is a system
coordinate axes.
6.
7.
8.
9.
10. Examples
Example:
• An ordered pair (4, 5) represents point 4 units to the
right of the origin in the direction of the x-axis, and 5
units above the origin in the direction of the y-axis as
shown in the diagram below.
11. Example:
• Plot the point (–5, 4) and identify which
quadrant or axis it is located.
12. •Sketch rectangle ABCD with
the given vertices and find
its area.
𝐴 −2, −3 , 𝐵 5, −3 ,
𝐶(5,4), 𝐷(−2,4)
