Page 41 12x – 36 + 18  _________ 12x – 18.

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Presentation transcript:

Page 41 12x – 36 + 18  _________ 12x – 18

Pages 41-42 Questions: (BE SPECIFIC – What is similar? / What is different? / etc.) What do you notice about equations when they are NO SOLUTION FOR X? What do you notice about equations when they are EXACTLY ONE SOLUTION FOR X? What do you notice about equations when they are TRUE FOR ALL VALUES OF X?

Page 44 How can you tell without testing a number to represent x? How can you tell after testing numbers to represent x? Page 44 TEST TWO NUMBERS FOR EACH PROBLEM BELOW:

Cool Down Original Problem: Step 1: Step 2: Step 3: What would Elena be doing in the next step: Step 4?

Page 46 0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7 Hours (x) Earnings (y) Hours 0 1 2 3 4 5 6 7 Hours (x) Earnings (y) 0 1 2 3 4 5 6 7 Hours (x) Earnings (y)

Page 46 5 + 8h 15 + 6h

Which is a better option?

Are they ever the same? 5 + 8h = 15 + 6h 2h = 10 h = 5

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Cool Down