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

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.7.RP.A.2D

Which company shows a greater rate of change?

• Water's Edge Rafts
• Ryan's Rafts

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

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.8.EE.B.5

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.8.F.B.4

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

Tags

CCSS.HSF.LE.B.5

Which equation matches the graph

• y = 50x + 50

• y = 100x + 50

• y = 100x - 50

• y = 50x + 100

Tags

CCSS.8.EE.B.5

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

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.HSF.LE.B.5