**Warmup**

**Activity #1**

Does the Table Show a Direct Variation?

In the following activity, you are going to interact with an applet that has a table of values between two quantities. Follow the instructions below to guide you in the activity.

- Study the table of values below between x and y and decide if they form a direct variation or not.
- Check the appropriate box, and click on to continue.
- Do as many problem as time allows you to master this concept.

**Activity #2**

Draw Graphs from Equations.

In the following activity, you are going to construct a table of values from a linear equation, and then use the values to draw a graph. Follow the instructions below to guide you. If you need help at any point, **pause and watch the short video clip **below.

- Complete the table of values below.
- When the values are all correct, a grid and points will appear on the right.
- Drag the points onto the coordinate plane to transfer the points on the table. If part of the plane is out of view, click and drag it into view.
- Use the Line tool to connect the points.
- Click
- Click to attempt a new problem.

**Activity #3**

`Match Equations with Tables.`

In the following final activity in this unit, you are going to match an equation with a table. Each equation below represents the same relationship with only one table.

- Match each equation with the appropriate table. Click and drag the equation to the table.

In the previous exercise, you matched equations and tables.

- Copy the values from the table that matched your assigned equation into the first 3 rows of this table below of independent and dependent variables.
- Make sure to label what each column represents.

(1.) Select one of the first 3 rows of the table and explain what those values mean in this situation.

(2.) Use your equation to find the values that complete the last 2 rows of the table. Explain your reasoning.

- Create a graph below that represents this relationship. Make sure to label your axes.

**Challenge #1**

**Challenge #2**

**Challenge #3**

The graph shows the time in hours it takes Riley to print T-shirts for her school’s math club.

(3.) Explain.

(6.) Graph the points and make a line that passes through all six points.

(8.) Explain.

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