Let’s study some graphs.

Let's think about scale.

Let's graph proportional relationships.

Let’s compare proportional relationships.

Let’s explore some relationships between two variables.

Let’s explore some more relationships between two variables.

Let’s write equations from real situations.

Let’s see what happens to the equations of translated lines.

Let’s find out what a negative slope means.

Let’s calculate slope from two points.

Let's describe lines.

Let’s write equations for vertical and horizontal lines.

Let’s think about what it means to be a solution to a linear equation with two variables in it.

Let’s find solutions to more linear equations.

Let’s write equations for real-world situations and think about their solutions.