1. Types of Graphs Direct and Inverse Relationships

2. Line Graphs
Line graphs show a changing relationship between variables (often over time)

4. Direct v. Indirect

5. Direct Indirect The more food my cat eats, the more she weighs.
food = weight
The more exercise my cat gets, the less my cat weighs.
exercise = weight

6. Direct Indirect The more I practice archery the better I get.
practice = accuracy
The more distractions while I shoot, the lower my score.
distractions = score

7. Direct
Indirect
The more Force I apply, the faster the ball will accelerate
force = acceleration
The more mass a ball has, the slower it will accelerate – if I use the same force
mass = acceleration

8. Direct
Indirect
The less distance I go, the shorter time it takes to get there – at the same speed
distance = time
The faster I go (more speed) the quicker I will get there – using the same distance
speed = time

9. Bar Graphs
A bar graph is useful for comparing information collected by counting.

10. Circle Graphs Also called Pie Graphs Circular Pie Represents the Total
Shows the different parts of a whole quantity.

11. The graph above represents the typical day of a teenager
The graph above represents the typical day of a teenager. Answer these questions:
1) What percent of the day is spent watching TV? __________
2) What percentage is spent sleeping? _________
3) What activity takes up the least amount of time? ________
4) What activity takes up a quarter of the day? ________
5) What two activities take up 50% of the day? __________
6) What two activities take up 25% of the day? __________

12. Homework page 20 Make a circle graph showing your 5 favorite foods.
Due: Friday, 8/22/14