Theory
Exercises
1. 
Choose the best option
Difficulty: easy 
3

2. 
Pick the correct answer
Difficulty: easy 
3

3. 
Use the given graph to answer the below questions
Difficulty: easy 
3

4. 
Parallel to the axis
Difficulty: medium 
4

5. 
Where do the points lie
Difficulty: medium 
4

6. 
Pick the right choice
Difficulty: medium 
4

7. 
Fill in the blanks
Difficulty: medium 
4

8. 
Answer the questions
Difficulty: medium 
4

9. 
Say true or false
Difficulty: hard 
8

10. 
Observe the graph and answer the questions
Difficulty: hard 
9

Tests
1. 
Training test
Difficulty: easy 
9
