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Answer Key
Grade 7 Math: Interpreting Proportional Graphs & Equations
1.
the origin (0,0)
2.
constant of proportionality (unit rate)
3.
5
4.
(1, p) where p is the unit rate
5.
no
6.
28
7.
larger constant of proportionality
8.
4
9.
y = 7x
10.
(1, 8)
11.
when x=0, y=1 ≠ 0
12.
yes; p=3
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