Linear Models and Tables Re-test

Which of the following situations could be descried by the equation y=120-25x?

• There are 120 people in the football stadium, and 25 more are entering each hour.
• A plumber charges $25 for a house call and $120 per hour.
• A teacher has 120 students. Her third period has 25 students
• There are 120 gallons of water in a tank. It releases water at a rate of 25 gallons per minute

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CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSS.ID.C.7

CCSS.HSA.SSE.A.1

Which statement below accurately represents the graph?

• $100 is earned for each hour worked
• $100 is earned for every 2 hours worked
• $500 is earned for every 8 hours worked
• $400 is earned for every 6 hours worked

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CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSS.ID.C.7

The equation below represents an elevator's height after an amount of seconds. Using this equation, what should the height of the elevator be after 14 seconds?
h(s) = -3.8s + 290

• 80
• 236.8
• -80
• 72.6

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CCSS.HSA.SSE.A.1

CCSS.HSA.REI.B.3

CCSS.HSF.IF.A.2

Write the equation of the line.

• y = -1/3x - 2
• y = 1/3x - 2
• y = 3x - 2
• y = -3x - 2

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CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

Write the equation of a line that passes through the point (1,4) and has a slope of 9.

• y= 9x-4
• y= 9x-5
• y= 9x+4
• y= 9x+5

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CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

4-2, Question 1: Identify the association between the data

on the scatter plot.

• weak, negative association

• strong, negative association

• weak, positive association

• strong, positive association

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CCSS.HSS.ID.B.6

4-3, Question 1: If an employee earns $570, what is the

expected number of copiers sold?

• 75

• 60

• 65

• 70

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CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSS.ID.C.7

CCSS.HSA.SSE.A.1

4-5, Question 2: What percent of cats that are female have

blue eyes?

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CCSS.HSS.CP.A.3

CCSS.HSS.CP.A.4

CCSS.HSS.CP.B.6

CCSS.HSS.ID.B.5

MGSE8.SP.1:  The scatter plot represents the weight of a car and its gas mileage. Based on the data presented, which statement is true?

• The lightest car gets the best gas mileage.

• The heaviest car gets the worst gas mileage.

• Gas mileage decreases with an increase

  in car weight.

• A.      Gas mileage decreases with an decrease

  in car weight

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CCSS.HSS.ID.C.7

CCSS.HSS.ID.B.6

MGSE8.SP.2:  Which equation best represents the line of best fit for the scatterplot?

• y = x + 6

• y = 2x + 6

• y = -x + 6

• y = -2x + 6

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CCSS.HSA.CED.A.2

CCSS.HSS.ID.C.7

CCSS.HSS.ID.B.6