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7-8.
  1. Make a table like the one below. Choose points in each of the locations listed at the top of the table and write in the coordinates of the points you have chosen. 7-8 HW eTool (CPM). Homework Help ✎

    Points on the x-axis

    Points on the y-axis

    Points on the z-axis

    Points not on the x-, y-, or z-axes

    1st point

    ( , , )

    ( , , )

    ( , , )

    ( , , )

    2nd point

    ( , , )

    ( , , )

    ( , , )

    ( , , )

    3rd point

    ( , , )

    ( , , )

    ( , , )

    ( , , )

    4th point

    ( , , )

    ( , , )

    ( , , )

    ( , , )

    1. What do you notice about the coordinates of the points on the x-axis?

    2. Make a conjecture about the coordinates of points that lie on any of the coordinate axes.

Remember that on a 2D plane, the y value is 0 on the
x-axis.

The y and z values are always 0.

See part (a).

Use the eTool below to explore.
Click the link at right for the full version of the eTool: A2C 7-8 HW eTool