Intro to Python Turtle Graphics 2.1-2.4 [50 points]

How does Tracy start when you first open up Python?

• Pen up and facing up

• Pen up and facing right

• Pen down and facing down

• Pen down and facing right

Which of the following would move Tracy 50 pixels backwards? (Select two)

• forward(50)

• backward(50)

• forward(-50)

• backward(-50)

Which of the following is not an accurate description of the location of each point in Tracy's grid world?

• The point (0,0) is in the center of the screen.

• The point (200,-200) is at the bottom right corner of the screen

• The point (-200,0) is on the bottom of the screen

• The point (-200,-200) is at the bottom left corner of the screen

The command circle(30) will tell Tracy to draw a circle of diameter 30 units.

• True

• False

Which command would make Tracy execute an action the quickest?

• speed(0)

• speed(1)

• speed(5)

• speed(10)

The code shown draws 3 circles on the screen. If I wanted to alter this loop to draw 15 circles, how many lines would my code be?

• 1

• 3

• 10

• 30

The following program will have Tracy draw a square with each side length measuring 60 pixels.

• True

• False

If Tracy was facing up, what direction would she be facing if the following code was run?

• up

• down

• left

• right

Using the given code, which lines of code will be repeated three times?

• 3 and 4

• 3, 4, 5, and 6

• 2, 3, 4, and 5

• 3, 4, and 5

I want Tracy to cross from one side of the screen to another. The code shown won't do that. Which correction in the code will not result in Tracy being able to go all the way across the screen?

• Change line 4 to for i in range(40):

• Change line 5 to forward(20)

• Change line 4 to for i in range(25): and change line 5 to forward(16)

• Change line 4 to for i in range(15): and change line 5 to forward(25)