1. Algebra: Patterns & Graphing
Chapter 9
Algebra: Patterns & Graphing

3. Date
Lesson 9-1: Line Plots

4. Line Plot = Is a graph that shows the shape of a data
set by placing X’s above each data value on a number line. 1 2, 3 4,
Data
Set
9 Values x 1 4 2 3

5. 1 2, 3 4, Data Set 9 Values x Inches 1 3 4 2 What is the average
amount of inches?
Inches
Average:
sum of values
number of values added
How many
¼ inches?
How many
1/2 inches?
How many
3/4 inches?
How many
inches in all?

6. Test Prep Lesson 9-1
Use your clicker to answer the following question:

7. Date
Lesson 9-2: Ordered Pairs

10. Test Prep Lesson 9-2
Use your clicker to answer the following question:

11. Date
Lesson 9-3: Investigate Graph Data

13. Test Prep Lesson 9-3
Use your clicker to answer the following question:

14. Date
Lesson 9-4: Line Graphs

15. Line Graph: A graph that uses line segments to show how data changes over time.
Scale: A series of numbers placed at fixed distances on the graph that help label it.
Interval: The fixed distance between any two consecutive numbers on the scale of a graph.

16. Time (hours) 1 2 3 4
Distance (miles) 60
120
140
200
Scale:
Interval:

17. Scale: Interval: Month Sep Oct Nov Dec Jan Length (in inches) 5 20 3035 40
Scale:
Interval:

18. Month 1 2 3 4
Height (in inches) 12 15 18 21 24
Scale:
Interval:

19. Test Prep Lesson 9-4
Use your clicker to answer the following question:

20. Lesson 9-5: Numerical Patterns
Date

22. Test Prep Lesson 9-5
Use your clicker to answer the following question:

23. Date
Lesson 9-6: Problem Solving: Find a Rule

24. Test Prep Lesson 9-6
Use your clicker to answer the following question:

25. Lesson 9-7: Graph and Analyze Relationships
Date

27. Test Prep Lesson 9-7
Use your clicker to answer the following question: