# blink blocks quiz answers Learn how to create a blinking LED script. This is the answer key for the [blink quiz](/lessons/blink/quiz). ## 1. Describe what `plot` does? Answers will vary. In general, plot refers to the code that turns on a specific LED. We specify the LED using x, y coordinates. ## 2. Draw which LED is ON after running this code ```blocks led.plot(2, 2) ```  By default, the position of an LED on *Blink Tutorial* is set to the centre of the screen. This code turns on the centre LED ## 3. Draw which LED is ON after running this code ```blocks led.plot(0, 0) ```  This code turns on specific LED. Plot turns on the specified LED on the LED screen. We specify the LED using x, y coordinates. * ``x`` - the x coordinate or horizontal position (0) * ``y`` - the y coordinate or vertical position (0) ## 4. Draw which LED is ON after running this code ```blocks led.plot(4, 4) ```  This code turns on specific LED. Plot turns on the specified LED on the LED screen. We specify the LED using ``x``, ``y`` coordinates. * ``x`` - the x coordinate or horizontal position (4) * ``y`` - the y coordinate or vertical position (4)