1. Unit 4: Linear Equations In-Depth 4.4 Proportional or not?

2. Which is cheapest... Write down this problem on your COMMUNICATOR Be prepared to share your work with the class. Page 46of your INB identify & describe at least 4 characteristics of a proportional relationship C = 6S + 25 or C = 4s + 60 if I order 22 shirts?

3. Write down this problem on your COMMUNICATOR Which is cheapest... C = 12S + 10 or C = 7.50s + 45 if I order 415 shirts?

4. Write down this problem on your COMMUNICATOR I have $500 to spend. C = 13S + 10 How many shirts can I get from this company? 500 = 13S + 10 -10 - 10 490 = 13S 490 = 13S 13 13 S = 37.69

5. Write down this problem on your COMMUNICATOR I have $200 to spend. C = 12S + 10 or C = 6s + 95 Which one will get me the most shirts?

6. ITEMS of BUSINESS Make sure to make-up quizzes and assignments if you were absent. See me before/after school or at the beginning/end of class to make-up a quiz. If you’re not happy with a quiz score, you can RETAKE it for a better score. See me before/after school. This will help your grade A LOT!

7. Have your homework out on your desk.

8. Hey You. Try this CHALLENGE question: The following is Super Cool Shirts’ equation for determining a customer’s order. If it costs Super Cool $5 to produce a shirt, what will Super Cool’s profit be for 105 shirts?

9. Get into your 4-Square Groups Page 46-47 of your INB identify & describe at least 4 characteristics of a proportional relationship 1. 2. 3. 4. proportionalnot proportional

14. tables 1 & 3tables 2 & 4 How are they similar?

15. PROPORTIONAL tables 2 & 4 How are they similar? 1) go thru (0,0) 2) y = mx 3) m = y x 4) y = y x x

17. Proportional or Direct Relationship Not-Proportional b ruins it! It’s not a DIRECT relationship!

18. Homework Problems

23. SHOW YOUR WORK Worksheet 4.5 Proportional or Not?