1. Bellwork 1. Given the two lines: y = 4x -2 and y =-1/4x +3. Are the two lines parallel, perpendicular or neither? 2. Write the equation of the line who has the same slope as 4x – 2y = 7 and the same y-intercept as y-9=x. 3. Write the equation of the line that passes through the point (4,1) and has the same slope as x = -y + 4.

2. Chapter 4.4: Continued October 30, 2013

3. Objectives You will be able to write an equation of the line that passes through a given point, parallel to a given line. You will be able to write an equation of the line that passes through a given point, perpendicular to a given line.

4. Example Write an equation in slope-intercept form for the line that passes through (4,7) and is perpendicular to the graph of 3y = 2x -3.

5. Example Write an equation in slope-intercept form for the line that passes through (2,3) and is perpendicular to the graph of: 2x + 3y =4.

6. Example Write an equation of the line that is parallel to the graph of y=7x-3 that passes through the origin.

7. Ticket to Leave Determine whether the graphs of each pair of equations are parallel, perpendicular or neither. -4x +3y = 3 4x -3y = 3

8. Homework Pg 241 (10-16 evens, 24,26,28,34-36,45,47)

9. Bellwork (TO TURN IN) Write an equation of a line that is perpendicular and parallel to the line 4y – x = 10. Write an equation in slope-intercept form for the line that passes through (0,2) and is parallel to the line: 5x + y = 8. Write an equation in slope-intercept form for the line that passes through (-3,-2) and perpendicular to 2y – 8 = 4x.

10. Group Work (turning ONE in) Pg 241 (27,30,32)

11. Homework Worksheet

12. Bellwork Write an equation of a line that is parallel and perpendicular to 3x – 4y = 12. Find r if the line that passes through (3,5) and (r,13) is parallel to the line 14x-7y=21. Write an equation of a line that is perpendicular and crosses through the x- intercept of the line 4x – 5y = 16.