What do you call the figure on the screen? Can anyone identify the different parts of the figure? How can we use it?
RECTANGULAR COORDINATE SYSTEM
RECTANGULAR COORDINATE SYSTEM Also known as Cartesian coordinate system named after the famous French philosopher and mathematician Rene Descartes. It is a system coordinate axes.
PARTS OF RECTANGULAR COORDINATE SYSTEM
STEPS IN PLOTTING POINTS ON THE CARTESIAN PLANE
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.
Example: Plot the point (–5, 4) and identify which quadrant or axis it is located.
Sketch rectangle ABCD with the given vertices and find its area .
Give the parts of a Cartesian coordinate Plane
Examples CHECKING YOUR UNDERSTANDING
Answer: Solve the exercises on Rectangular Coordinate System on p.166-167