8M: 5-1 QC (identifying linear functions)
1. Is the relationship linear or not linear?
a linear relationship
NOT a linear relationship
5x+2=y
2. Is the relationship linear or not linear?
a linear relationship
NOT a linear relationship
3. Is the relationship linear or not linear?
a linear relationship
NOT a linear relationship
4. Is the relationship linear or not linear?
x•y = 2x2 + 6x
a linear relationship
NOT a linear relationship
5. Is the relationship linear or not linear?
a linear relationship
NOT a linear relationship
x
6
4
2
12
18
6
y
6. Is the relationship linear or not linear?
x = 6y – 12
a linear relationship
NOT a linear relationship
7. Is the relationship linear or not linear?
a linear relationship
NOT a linear relationship
-1
x
0
1
2
y
4
5
6
7
8. Is the graph of the thick, green    line segment linear or not linear?
NOT a linear relationship
a linear relationship
9. Is the relationship linear or not linear?
a linear relationship
NOT a linear relationship
10. Is the relationship linear or not linear?
-y = x - 7
a linear relationship
NOT a linear relationship
11. Is the relationship linear or not linear?
a linear relationship
NOT a linear relationship
6x2+2=7
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