Ready the gizmo by selecting point and translation. The move the x and y coordinates using the slider bar. If x is translated a units horizontally and b units vertically then our translation will have the what coordinates? I am trying to get the students to come to the conclusion that the image coordinates will be:(x+a),(y+b)
Select triangle then "none."Drag your polygon to the right or left. Then select rotate and rotate 180 degrees.
Ready the gizmo by selecting segment and translation. Move the slider bars for x translation to see what happens, then move the y translation slider. What do you think happens to the x coordinates? The y coordinates?
Ready the gizmo by selecting triangle and reflect over the x or y axis. Have the students drag the pre-image around to see what happens to the reflection . What are the lengths of the preimage?The reflection?
Increas your scale factor by 2. What happens to the side lengths? What happens to the angles?