1. x y 1 st Quadrant2 nd Quadrant 3 rd Quadrant4 th Quadrant 13.1 – The Rectangular Coordinate System origin x-axis y-axis

2. Coordinates of points: Each point in the rectangular coordinate system has a unique set of coordinates. The x coordinate is always first and the y coordinate is always second. 13.1 – The Rectangular Coordinate System

3. x y 1 st Quadrant2 nd Quadrant 3 rd Quadrant4 th Quadrant 13.1 – The Rectangular Coordinate System

4. A B C D E F G H I J K M A D BC EF G H I J K M L L 1 st 2 nd 3 rd 4 th x-axis y-axis origin

5. Calculating Ordered Pairs and Graphing Linear Equations 13.2 – Graphing Linear Equations xy 0 3 -4

6. Calculating Ordered Pairs and Graphing Linear Equations 13.2 – Graphing Linear Equations

7. Calculating Ordered Pairs xy -3 0 10 13.2 – Graphing Linear Equations

8. Calculating Ordered Pairs and Graphing Linear Equations 13.2 – Graphing Linear Equations

9. Calculating Ordered Pairs xy 9 0 1 13.2 – Graphing Linear Equations

10. Calculating Ordered Pairs and Graphing Linear Equations 13.2 – Graphing Linear Equations

11. Identifying Intercepts X-intercept Y-intercept X-intercept 13.3 – Intercepts

12. Identifying Intercepts X-intercept Y-intercept 13.3 – Intercepts

13. Identifying Intercepts X-intercept Y-intercept 13.3 – Intercepts

14. Calculating Intercepts To find the x-intercepts, set y = 0 and solve for x To find the y-intercepts, set x = 0 and solve for y x-intercept: y = 0y-intercept: x = 0 13.3 – Intercepts

15. Calculating Intercepts To find the x-intercepts, set y = 0 and solve for x To find the y-intercepts, set x = 0 and solve for y x-intercept: y = 0 y-intercept: x = 0 13.3 – Intercepts

16. Graphing Vertical and Horizontal Lines xy 13.3 – Intercepts

17. Graphing Vertical and Horizontal Lines xy 13.3 – Intercepts

18. Graphing Vertical and Horizontal Lines xy 13.3 – Intercepts

19. Graphing Vertical and Horizontal Lines xy 13.3 – Intercepts