Algebra I (Common Core) Practice Exam Worksheet With Scoring Key And Rating Guide - Mike Miller Page 8
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40Use this space for
14 If John solved the equation x
– 10x + 8 = 0 by completing the
2
computations.
square, one of the steps in his process would be
(1) (
– 5)
= –8
(3) (
+ 4)
= 10
x
2
x
2
x
(2) (
– 5)
= 17
(4) (
+ 4)
= 10
+ 16
x
2
x
2
x
15 Tom deposited $100 into a bank, and the amount in his bank
account increases by 5% each year. Christine deposited $100
into a different bank, and the amount in her bank account
increases by $5 each year. Which statement is true about the
amounts in Tom’s and Christine’s bank accounts?
(1) The amount in Tom’s bank account can be modeled by an
exponential function and the amount in Christine’s bank
account can be modeled by a linear function.
(2) The amount in Tom’s bank account can be modeled by a
linear function and the amount in Christine’s bank
account can be modeled by an exponential function.
(3) The amounts in both bank accounts can both be modeled
by exponential functions.
(4) The amounts in both bank accounts can both be modeled
by linear functions.
16 Rashawn recently spent $100 to open a store selling tee-shirts.
At his business, he purchases plain tee-shirts for $11 each,
prints graphics on them, and then sells them for $26 each.
What is the minimum number of tee-shirts that Rashawn
would need to sell in order to make a profit (total income
minus total expenses) of at least $400?
(1) 26
(3) 33
(2) 27
(4) 34
Algebra I – Practice Exam
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