Investigating straight lines

Investigating straight lines

In these tasks you will investigate the parameters of straight lines.

TASK A

1. Open a NEW GeoGebra window. Name and save your file. If you do not have GeoGebra installed on your laptop, use the online version (opens in a new window).

2. In the SETTINGS/GLOBAL menu, change the rounding to 1 decimal place.

3. Open TASK A (DOCX 21kB) and follow the instructions.

Save and/or print your responses. Email them to your teacher.

TASK B

1. Open a NEW GeoGebra window. Name and save your file.

2. Again, change the rounding to 1 decimal place.

3. Open TASK B (DOCX 24kB) and follow the instructions.

What other questions could your construction help to answer? For example, How do we write the equation of straight lines that are parallel to the x-axis? Design at least 4 other questions.

From the FILE menu in GeoGebra, DOWNLOAD your file as an ACTIVITY AS WORKSHEET (html). Choose a title and write your questions in the text box above the construction. Swap your computer with a classmate who can answer the questions in their workbook.