Copy the graph below on graph paper. Draw a line through the two points.

1. What is the slope of the line?

   Hint (a):

   Remember, slope refers to $\frac{rise}{run}$.

2. What is the rule for all points on the line?

   Hint (b):

   Where is the $y$-intercept located?
   How can you use this to find the rule?

   Answer (b):

   $y = 2x − 1$

   Step 1(b):