linear+relations


 * **1. [|Determining slope 1]** ||
 * ** 2. [|Determining slope 2] ** ||
 * ** 3. [|Slope and ramps] ** ||
 * ** 4. [|Slope and y intercept] ** ||
 * ** 5. [|Slope and y intercept from equation] ** ||
 * ** 6. [|Determining the equations of a line 1] ** ||
 * ** 7. [|Determining the equations of a line 2] ** ||
 * ** 8. [|Graphing costs] ** ||