Understanding Tracy's Movement Grid

Where does Tracy always start in her grid world?

• (100, 100)

• (0, 0)

• (-200, 200)

• (200, -200)

How wide is Tracy's grid world?

• 200 pixels

• 300 pixels

• 400 pixels

• 500 pixels

How tall is Tracy's grid world?

• 200 pixels

• 300 pixels

• 400 pixels

• 500 pixels

Which command makes Tracy move backward?

• forward()

• moveback()

• backward()

• reverse()

What happens when you use the penup() command?

• Tracy moves faster

• Tracy stops drawing a line

• Tracy starts drawing a line

• Tracy changes direction

What happens when you use the pendown() command?

• Tracy moves slower

• Tracy stops drawing a line

• Tracy starts drawing a line

• Tracy changes color

When Tracy first starts, what is her pen doing?

• It is up

• It is down

• It is broken

• It is changing colors

What does the setposition(x, y) command do?

• Moves Tracy forward

• Moves Tracy backward

• Moves Tracy to a specific spot

• Changes Tracy's color

When using setposition or goto commands, what happens to Tracy's direction?

• She always faces right

• She always faces left

• Her direction does not change

• She faces the new position

If Tracy is at (0,0) and you use setx(100), where will she be?

• (100, 100)

• (0, 100)

• (100, 0)

• (-100, 0)