Interpreting Linear Functions

In a linear function in the form y = mx + b, the m represents the:

• the starting point

• y - intercept

• x value

• rate of change

Tags

CCSS.HSF.LE.B.5

CCSS.HSS.ID.C.7

In a linear function in the form y = mx + b, the b represents the:

• the starting point

• y - intercept

• x - intercept

• rate of change

Tags

CCSS.HSS.ID.C.7

At what rate did the rain fall?

• 2 cm per hour
• ¹/₄ cm per hour
• ¹/₂ cm per hour
• 4 cm per hour

Tags

CCSS.HSF.IF.B.6

CCSS.HSS.ID.C.7

Which company shows a greater rate of change?

• Water's Edge Rafts
• Ryan's Rafts

Tags

CCSS.HSF.IF.B.6

CCSS.HSS.ID.C.7

Which situation below is representative of y-intercept?

• putting $300 a month into savings
• buying $30 worth of supplies for a lemonade stand
• Spending $3 per ride at the fair
• Paying $2 for parking every day

Tags

CCSS.HSS.ID.C.7

A holiday meal costs $12.50 a person plus a delivery fee of $30.  Which equation represents the amount a holiday meal costs, including delivery, for x people?

• y = 30 + 12.5x 
• y = 12.5 + 30
• y = 12.5 + 30x

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.SSE.A.1

CCSS.HSF.BF.A.1

CCSS.HSF.LE.A.2

Dorothy loves to make cakes. The following table shows how the number of eggs that she has left changes as she makes cakes.

Interpret the y- intercept in context

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Tags

CCSS.HSS.ID.C.7

Which equation matches the graph

• y = 50x + 50

• y = 100x + 50

• y = 100x - 50

• y = 50x + 100

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

The average number of students per classroom at BHS from 2000 to 2010 can be modelled by the equation y=0.56x+27.2, where xrepresented the number of years since 2000, and y represented the average number of students per classroom. Which of the following best describes the meaning of the number 0.56 in the equation?

• The total number of students at the school in 2000.

• The average number of students per classroom in 2000.

• The estimated increase in the average number of students per classroom each year.

• The estimated difference between the average number of students per classroom in 2010 and in 2000.

Tags

CCSS.HSF.LE.B.5

CCSS.HSS.ID.C.7

After a rainstorm, the water in a trough begins to evaporate. The amount of gallons remaining after t days is given by V=50-1.2t. What is the initial value?

• 50

• 1.2

• -1.2

Tags

CCSS.HSA.SSE.A.1

CCSS.HSF.LE.B.5