Linear Transformer: Warm-up

It's always a good idea to "warm up" or acquaint yourself with a new software tool before using it with an activity. If you feel comfortable exploring the buttons and features on your own, feel free to do that. If you prefer a more structured exploration, try the activities below.

Click to open the Linear Transformer and then do the activities below.

Note The Linear Transformer opens in a new browser window. As you explore the software, keep this window open for reference.

Warm-Up A: getting started

Take a look at the software and familiarize yourself with its functions.

Warm-Up B : Try It and See

  1. Manipulate the Graph. Click the red line on the graph and drag it around.

  2. Use the Pushpin and Ghosts. Activate the Pushpin by selecting the checkbox.

  3. Use the Slider . Move the slider at the bottom of the graph. Observe the effects of using the slider in the following ways.

  4. Edit the Symbolic Expressions. Experiment with changing the symbolic expressions in the tasks below.

  5. Experiment with Other Features. Try using the other buttons. Each time you try a new button, notice what changes.

Warm-Up C : Make It and Move It

Now you're ready to use what you've learned about the software to work with some specific functions. See what you notice.

  1. Reset the Linear Transformer by clicking Delete All.

    Click New to obtain the default function.
  2. Activate the Ghosts feature with the "2 seconds" option.
  3. Move the default function so its y-intercept is at (0, 8).
  4. Change the slope of your function to 1.5 (keep the y-intercept the same). (Hint: There are two ways to do this. What are they?)
  5. Duplicate the function.