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

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Presentation transcript:

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

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?

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

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 = 13S 490 = 13S S = 37.69

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?

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!

Have your homework out on your desk.

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?

Get into your 4-Square Groups Page of your INB identify & describe at least 4 characteristics of a proportional relationship proportionalnot proportional

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

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

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

Homework Problems

SHOW YOUR WORK Worksheet 4.5 Proportional or Not?