1. Warm Up Find the values of y by substituting x = 2, 3, 10 1.Y = 20x + 4 2.Y = 9(x+3)

2. Today’s Objective SWBAT use the midpoint formula in order to find the midpoint of a segment. Homework: Pg 61 #9-19 Odd (15-19 odd just find the midpoint)

3. To identify basic shapes and figures in Geometry Warm Up√ Homework: Pg 61 #9-19 Odd Anticipatory Set Vocabulary Midpoint Formula Distance Formula Closure

4. Homework

5. To identify basic shapes and figures in Geometry Warm Up√ Homework: Pg 61 #9-19 Odd√ Anticipatory Set Vocabulary Midpoint Formula Distance Formula Closure

6. Anticipatory Set Fold a segment bisector activity  Draw AB on a piece of paper, fold the paper so Point B is on top of Point A  The point where the crease intersects the line is the mid-point  Label this point M What do we notice when we compare AM to MB?

7. To identify basic shapes and figures in Geometry Warm Up√ Homework: Pg 61 #9-19 Odd√ Anticipatory Set √ Vocabulary Midpoint Formula Distance Formula Closure

8. Vocabulary 1.Midpoint 2.Segment Bisector

9. Midpoint The point that divides a segment into 2 congruent segments. F G E These tick marks signify that both of these segments are congruent

10. Segment Bisector A point, ray, line, line segment, or plane, that intersects the segment at its midpoint. F G E G E G E G E

11. To identify basic shapes and figures in Geometry Warm Up√ Homework: Pg 61 #9-19 Odd√ Anticipatory Set √ Vocabulary √ Midpoint Formula Distance Formula Closure

12. Midpoint Formula The coordinates of the midpoint of a segment are the averages of the x- coordinates and the y-coordinates

13. Find the Midpoint The endpoints of RS are R(1, -3) and S(4,2). Find the midpoint M of RS. The midpoint of JK is M(2,1). One endpoint is J(1,4). Find the endpoint K.

14. To identify basic shapes and figures in Geometry Warm Up√ Homework: Pg 61 #9-19 Odd√ Anticipatory Set √ Vocabulary √ Midpoint Formula √ Distance Formula Closure

15. Distance Formula The distance formula for finding the length between 2 points is:

16. Find the distance between 2 points, round to the nearest tenth of a unit P(1,2) and Q(5,4) Q(-3,5) and R(2,3)

17. Let’s Review the Vocabulary M is the midpoint of VW. Find the length of VM. M W V 4x-13x+3