1. 1.3: Midpoints and Bisectors
WELCOME
1.3: Midpoints and Bisectors
Last Night’s Homework: 1.2 Handout
Tonight’s Homework: 1.3 Handout
Thursday: Quiz!

2. Warm-Up
2. How did you determine the value of the point halfway between P and T?
3. What determines if the value of the point halfway between two points on a number line is a positive number or a negative number?

3. Homework Review

4. Chapter 1 Section 3

5. Midpoint Formula (the average of x , the average of y) B A
Give Given A(x1,y1) & B(x2,y2) the midpoint of AB is … B A
(the average of x , the average of y)

6. Practice

7. Using Mid Points

8. Bisecting a Segment
The midpoint of a segment is the point that bisects the line into two congruent segments. A M B

9. M is the midpoint of the line segment. Solve for x: