The Coordinates System - Activity 1

Topic: Coordinates of Points
GeoGebra Tools: MOVE, POINT Tool, INPUT BAR, LABEL and VALUE

A. How to show coordinates of point:
Click the MOVE tool (the arrow icon) then right click the point. Select OBJECT PROPERTIES then go to show LABEL. Choose NAME & VALUE.

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B. How to plot a point using its coordinates, say (4,2), type M=(4,2) in the input bar.
Practice: Plot the following points using the input bar: P=(1,1), Q=(1-1), S=(-2,-2), T=(3,-3)

C. How to plot a point anywhere on the coordinate axes:
Click the point tool [.A] and click the drawing pad where you want the point located.

Solve this problem: (Don't forget to click the refresh button first and to delete the points which are not part of your final answer)
ONE OF THE CORNERS OF A SQUARE WITH AREA 9 SQ UNITS IS AT (0,0). LOCATE THE OTHER CORNERS OF THE SQUARE. HOW MANY SUCH SQUARES ARE THERE IN ALL?

Erlina Ronda, Created with GeoGebra