Algebra 2 Regents MC diagnostic

A sociologist reviews randomly selected surveillance videos from a public park over a period of several years and records the amount of time people spent on a smartphone. The statistical procedure the sociologist used is called

• a census

• an experiment

• an observational study

• a sample survey

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CCSS.HSS.IC.B.3

• I, only

• II, only

• I and II

• neither I nor II

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CCSS.HSA.APR.C.4

• {(–5, –9)}

• {(5, 21)}

• {(0, 6), (–5, –9)}

• {(0, 6), (5, 21)}

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CCSS.HSA.REI.C.7

Irma initially ran one mile in over ten minutes. She then began a training program to reduce her one-mile time. She recorded her one-mile time once a week for twelve consecutive weeks, as modeled in the graph below. Which statement regarding Irma’s one-mile training program is correct?

• Her one-mile speed increased as the number of weeks increased.

• Her one-mile speed decreased as the number of weeks increased.

• If the trend continues, she will run under a six-minute mile by week thirteen.

• She reduced her one-mile time the most between weeks ten and twelve.

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CCSS.HSF.IF.B.4

A 7-year lease for office space states that the annual rent is $85,000 for the first year and will increase by 6% each additional year of the lease. What will the total rent expense be for the entire 7-year lease?

• $42,809.63

• $90,425.53

• $595,000.00

• $713,476.20

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CCSS.HSF.BF.A.2

The graph of ( y = f(x) ) is shown below. Which expression defines f(x)?

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CCSS.HSF.LE.A.2

• (x – 1) is a factor because P(–1) = 2

• (x + 1) is a factor because P(–1) = 2

• (x + 1) is a factor because P(1) = 0

• (x – 1) is a factor because P(1) = 0

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CCSS.HSA.APR.B.2

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CCSS.HSA.REI.A.2

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CCSS.HSF-BF.B.4A

Which situation could be modeled using a geometric sequence?

• A cell phone company charges $30.00 per month for 2 gigabytes of data and $12.50 for each additional gigabyte of data.

• The temperature in your car is 79°. You lower the temperature of your air conditioning by 2° every 3 minutes in order to find a comfortable temperature.

• David’s parents have set a limit of 50 minutes per week that he may play online games during the school year. However, they will increase his time by 5% per week for the next ten weeks.

• Sarah has $100.00 in her piggy bank and saves an additional $15.00 each week.

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CCSS.HSF.BF.A.2