Desmos Graphing Activity

Check out this online graphing calculator.

Here are your challenges:

1. Can you draw a line that passes through 4 on the y-axis and is slanted up?

Hint: the equation of a line looks like y = ___x + ___

2. Can you draw another line that passes through -4 on the y-axis and is slanted down?

3. What does the number in front of x do to a line? Tell us in the chat what you think.

4. What does that number you add or subtract to do the line? Tell us in the chat what you think.

5. Can you draw a face?

Hint: the basic formula for a circle is:

Hint: You can also draw line segments (pieces of lines) by using a table.

a. Create a table (press the + button and select "table")

b. Enter the points you want your line to pass through. You need at least 2, but can have as many as you want.

c. Long-click (hold the left mouse button) on the circle with dots next to "y" in the table.

d. Unselect "points" and select "line." You can change the color and other things from here.

9. When you finish your face, put a screenshot in the chat!