1. Page 41
12x –  _________
12x – 18

2. 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?

3. 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:

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

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

6. Page 46
5 + 8h
15 + 6h

7. Which is a better option?

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

9. Page 47

10. Page 50

11. Page 50

12. Page 51

13. Page 51

14. Page 51

15. Cool Down