1. Homework Questions:
1

2. 1.6 Midpoint & Distance Formulas
Example 1: Finding Midpoints
How could we find the midpoint of ?
B
A
Midpoint
Formula:
2

3. Example 2: Finding Midpoints
What about if we were given a midpoint
and an endpoint? How could we find the
missing endpoint?
C ( 2, 2)
M (4, ‐3)
What are the coordinates of the
other endpoint D?
3

4. Example 3: Finding the Length of a Segment
What is ?
Method 1:
K
B
Use the Pythagorean Theorem to
find the length of the hypotenuse
4

5. Example 3: Finding the Length of a
Segment
What is ?
Method 2:
K
B
Use the distance formula:
5

6. 1.7 Transformations in the Coordinate Plane
6

7. Transformation:
A
A'
B C
B' C'
7

8. Types of Transformations:
8

9. Identify each transformation. Then use arrow notation to describe the
transformation.
3.
9

10. Example 2:
Example 3:
10

11. Example 4:
11

12. Homework (A Day):
Section 1.6 Page 47 # 17‐ 21 odd, 28, 30, 38 ‐ 40
Section 1.7 Page 53 (as is on assignment sheet)
Algebra Review Worksheet
12

13. Homework (B Day):
Section 1.6 Page 47 (as is on assignment sheet)
Section 1.7 Page 53 (as is on assignment sheet)
13

14. 14