1. MFM 2P Review for Quiz xy First Differences -310 Second Differences -28 6 04 12 20 3-2 xy First Differences -316 Second Differences -26 0 0-2 10 26 316 Which represents a linear relationship? Which represents a quadratic relationship?

2. MFM 2P Review for Quiz

3. MFM 2P Review for Quiz

4. MFM 2P Review for Quiz

5. MFM 2P Review for Quiz

6. MFM 2P Review for Quiz Vertex: Axis: Optimal Value: X-Intercepts: Y-Intercepts: Opening: Step Pattern:

7. MFM 2P Review for Quiz Vertex: Axis: Optimal Value: X-Intercepts: Y-Intercepts: Opening: Step Pattern:

8. MFM 2P Review for Quiz Rise: Run: Y-Intercept: Independent Variable: Dependent Variable:

9. MFM 2P Review for Quiz Rise: Run: Y-Intercept: Independent Variable: Dependent Variable:

10. MFM 2P Minds On Convert the following (Use your charts!): 135mm = m12g = kg 20 yards = m 207 inches = feet 12 miles = km 0.25 pounds = kg

11. MFM 2P Lesson Six: Proportions Learning Goals:  I can define proportional  I know the properties of similar triangles  I can use the idea of proportions to determine missing sides of triangles

12. MFM 2P Lesson Six: Proportions What does “Proportional” mean?

13. MFM 2P 2 4 4 8 1 2

14. 2 4 4 5

15. Lesson Six: Proportions Proportion means: Two quantities have the same relative size Two things have the same ratio (or percentage) All sides of a shape increase by the same amount

16. MFM 2P Lesson Six: Proportions What is a ratio? A ratio shows the relationship between two numbers with the same unit. Example: What is the ratio of boys to girls in this class?

17. MFM 2P Lesson Six: Proportions Can ratios be represented in a different way? Fraction, decimal, percent, ratio form Example: Rewrite the ratio of boys to girls in this class?

18. MFM 2P Lesson Six: Proportions Which are proportional? 8 : 16 4 : 5 50% 15%

19. MFM 2P Lesson Six: Proportions Which are proportional? 3 : 5 6 : 10 60%

20. MFM 2P Lesson Six: Proportions What is a mullet?

21. MFM 2P Lesson Six: Proportions How could you compare these mullets?

22. MFM 2P Lesson Six: Proportions How could you compare these mullets?

23. MFM 2P Lesson Six: Proportions 0.00051 miles 0.000013 miles 12 cm 33 cm Which Mullet is more mullet-y?

24. MFM 2P Lesson Six: Proportions What would it mean if two mullets had the same mullet ratio?

25. MFM 2P Lesson Six: Proportions Are these mullets the same? Compare their Mullet Ratios! 12 cm 33 cm 8 cm 22 cm

26. MFM 2P Lesson Six: Proportions Complete Mullet Ratio Worksheet

27. MFM 2P Lesson Six: Proportions What do you remember about similarity?

28. MFM 2P Lesson Six: Proportions How do you think this applies to triangles? 9 m 15 m 8 m 7.5 m 4 m 18 m

29. MFM 2P Lesson Six: Proportions 6 m4 m 3 m 1.5 m These triangles as similar. What must the unknown side lengths for triangle “B” be? B A

30. MFM 2P Lesson Six: Proportions 7.5cm 6 cm 2.1 cm 3.15 cm Are these triangles similar? How do you know? 11.25 cm 9 cm

31. MFM 2P Lesson Six: Proportions In conclusion, you can tell if triangles are similar if: They have all the same angles Their side lengths are proportional