Functions T3 Test

Sally predicts that a straight line will result from connecting the plotted points listed in the following function tale.  Which statement justifies Sally's prediction?

• The difference between each pair of consecutive y-values varies
• The difference between each pair of consecutive x-values varies
• The x-values and the y-values change at constant rates
• The x-values and the y-values change at different rates

Tags

CCSS.HSF-LE.A.1B

Students in Ms. Burns' class measured the outside temperature each day and recorded their measurements in the table.  Which day shows a constant rate of change?

• Monday only
• Tuesday only
• BOTH Monday & Tuesday
• NEITHER Monday nor Tuesday

Tags

CCSS.HSF-LE.A.1B

What is the rate of change shown in the table?

• 8
• 1
• -2
• -3

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

Which graph shows a linear function?

• A
• A & B
• A, B & C
• All of the above

Tags

CCSS.8.F.A.3

Which shows a positive rate of change?

• A
• A & B
• A, B & C
• All of the above

Tags

CCSS.HSF-LE.A.1B

The graph below shows a function that represents the relationship between the number of pounds of beans purchased and the cost per pound of the beans.

• As the number of pounds of beans purchased increases, the cost per pound decreases linearly.
• As the number of pounds of beans purchased increases, the cost per pound increases linearly.
• As the number of pounds of beans purchased increases, the cost per pound decreases nonlinearly.
• As the number of pounds of beans purchased increases, the cost per pound increases nonlinearly.

Tags

CCSS.8.EE.B.5

Which of the graphs most accurately depicts the wages earned with respect to the time worked?

• A
• B
• C
• D

Tags

CCSS.8.EE.B.5

The table below shows a linear relationship between x and y.  As the value of x increases by 1, what happens to the value of y?

• It increases by 3
• It increases by 4
• It increases by 5
• It increases by 6

Tags

CCSS.HSF-LE.A.1B

Andrea went to an amusement park.  The cost of admission was $5 and the cost for each ride was $0.75.  Which equation best represents the situation?

• y = 5x + 0.75
• y = 0.75x + 5
• y = 5 + 0.75
• y = 5x - 0.75

David joined a gym for one month.  He paid a monthly fee of $20 plus $5 for each visit.  What are the independent and dependent variables in this situation?

• Independent: How many visits
  Dependent:  Total cost
• Independent: Total cost
  Dependent:  How many visits
• Independent: Cost of the gym membership
  Dependent: Cost of each visit
• Independent: Cost of each visit
  Dependent:  Total cost

Tags

CCSS.6.EE.C.9