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Creating Equivalent Forms for Modeling
Worksheet
Grade Level
Algebra II
ALG2.41 Creating Equivalent Forms for Modeling
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A student rewrites 900(1.05)^(4t) as 900(1.20)
t
and says the model shows 20% yearly growth. Which statement is correct?
A
The rewrite is exact because 1.05 + 1.05 + 1.05 + 1.05 = 1.20.
B
The rewrite is exact because 4(0.05) = 0.20.
C
The rewrite is not exact; the correct yearly factor is 1.05
4
, which is about 1.216.
D
The rewrite is not exact because the yearly factor should be 1.25.
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