1. Day 11 Geometry

2. Warm Up  Find the slope of the following line:  Find the slope of the following line:

3. Homework Check

4. Learning Objective G-GPE-5 - Prove the slope criteria for parallel and perpendicular lines and use them to solve geometric problems (e.g., find the equation of a line parallel or perpendicular to a given line that passes through a given point).

5. Note #14 What is the slope of the segment connecting the points (3,7) and (1,7) ?

6. A horizontal line will always have a slope of 0 H – Horizontal Lines O – Slope = 0 Y – Their equation is in the form y = a constant HOY Note #14 (continued)

7. What is the slope of the segment connecting the points (4,9) and (4,3) ? Note #14 (continued)

8. A vertical line will always have a slope that is undefined V –Vertical Lines U – Slope = Undefined X – Their equation is in the form x = a constant VUX Note #14 (continued)

9. Exit Slip 1) What is the equation of the horizontal and vertical lines through the point (4, –3) 2) Graph the lines: a) x = –3 b) y = 6 Homework: Page 155 #23-36 All