2. Objective To be able to recognize Horizontal and Vertical lines on the coordinate plane.

3. Plot the points (3,-3), (3,-2), (3,-1), (3,0),(3,1), (3,2), (3,3) What do you notice about all the x values that were plotted? The Equation of the line is x = 3

4. Now you Plot the points (1,-3), (1,-2), (1,-1), (1,0),(1,1), (1,2), (1,3) What is the equation of the line? The Equation of the line is x = 1

5. What did you notice about all the x values? When the x values are the same, what does the equation begin with?

6. Plot the points (-2,2), (0,2), (3,2) What is the equation of the line?

7. Now you Plot the points (-2,5), (0,5), (3,5) What is the equation of the line?

8. What did you notice about all the y values ? When the y values are the same, what does the equation begin with?

9. Graph the lines x = 4 & y = -2 What is the intersection pt. of the 2 lines? (4,-2)

10. Write equations for the horizontal line and the vertical line that pass through the point (-1, 4) x = -1 y = 4

11. x = -1 & y = 4

12. Graph x = -2 (-2,4) (-2,-3)

13. Graph x = -1

14. Graph y = 2

15. Graph y = 4

16. Write equations for the horizontal line and the vertical line that pass through the point (-1, 4) and then plot both lines x = -1 y = 4

17. x = -1 & y = 4 The intersection is at (-1,4)

18. Write the equations of the line 1.) (3,5), (3,-1), (3,0), (3,-2) 2.) (5,5), (5,-1), (5,0), (5,-2) 3.) (3,5), (-1,5), (0,5), (1,5) 4.) (3,-2), (-1,-2),(0,-2),(1,-2)

19. Write the equations of the line 1.) (3,5), (3,-1), (3,0), (3,-2) 2.) (5,5), (5,-1), (5,0), (5,-2)

20. Write the equations of the line 3.) (3,5), (-1,5), (0,5), (1,5) 4.) (3,-2), (-1,-2),(0,-2),(1,-2)

21. Write the Equation of the line Passes thru the point 4 on the x-axis

22. Write the Equation of the line Passes thru the point -2 on the x-axis

23. Write the Equation of the line Passes thru the point 2 on the y-axis

24. Write the Equation of the line Passes thru the point -5 on the y-axis

25. Properties of y=k Horizontal line Parallel to x axis Slope is zero Examples: y=4, y=-2, y=1

26. Properties of x=h vertical line Parallel to y axis Slope is undefined Examples: x=4, x=-2, x=1