Tracy's World Quiz (Lesson1-3 wrap-up)

How would I tell Tracy to move forward 100 pixels?

• forward 100

• move(100)

• forward(100)

• Tracy, move forward 100 pixels

When using the circle() command, what value do we put inside the parentheses?

• The radius of the circle

• The center of the circle

• The diameter of the circle

• The width of the circle

When Tracy is facing right, from what location does she start drawing her circle?

• The top of the circle

• The bottom of the circle

• The left side of the circle

• The middle of the circle

Where does Tracy always start in the grid world?

• At the (0,0) coordinate in the bottom left hand corner of the canvas

• At the (-200,-200) coordinate in the bottom left hand corner of the canvas

• At the (0,0) coordinate in the middle of the canvas

• At the (-200,-200) coordinate in the middle of the canvas

What are the dimensions of Tracy’s world?

• 200 pixels x 200 pixels

• 400 pixels x 200 pixels

• 400 pixels x 400 pixels

• 200 pixels x 400 pixels

Which commands would move Tracy forward 100 pixels?

I. forward(100)

II. backward(-100)

III. forward(-100)

• I, II, and III

• I only

• II and III

• I and II

How far does Tracy need to move from the starting position to reach the right side of the canvas?

• 50 pixels

• 100 pixels

• 200 pixels

• 400 pixels

If you want Tracy to move forward 100 pixels without making a line, what set of commands should you write?

• penup()

  forward(100)

• forward(100)

  penup()

• penup(100)

• forward(-100)

Tracy always starts facing which direction?

• North

• South

• East

• West

If Tracy is facing right, which of the following commands can be used to turn her to face up?

I. left(90)

II. turn(up)

III. right(-90)

IV. setposition(90)

• I only

• I and III

• I, II, and III

• All of the above