Linear Models

Ashley has a job as an assistant for a basketball program at her community center. She is paid a flat rate of $15 for each session plus an additional $6 for each student who shows up at that session. Which one of the following functions represents Ashley’s earnings, , per session?

• E(x) = x + 15

• E(x) = 15x

• E(x) = 6x + 15

• E(x) = 15x + 6

Tags

CCSS.HSF-BF.A.1A

To charge customers for printing color posters, a company uses the algebraic rule  $f\left(x\right)=2x+5$ , where x represents the number of copies ordered, and f(x) is the charge in dollars for the order. Which graph best displays the relationship?

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Tags

CCSS.8.EE.B.5

To charge customers for color printing, a company uses the algebraic rule  $f\left(x\right)=2x+5$  where x represents the number of copies ordered and f(x) is the charge in dollars. Which scenario below fits this rule?

• There is a $5 initial charge and an additional charge of $2 per copy.

• There is a $2 initial charge and an additional charge of $5 per copy.

• The company charges $5 for every 2 copies.

• The company charges $2 for every 5 copies.

Tags

CCSS.HSF.LE.B.5

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
• $200 is earned for every 3 hours worked

Tags

CCSS.HSF.LE.B.5

A DJ charges a setup fee plus an hourly fee to provide music for a dance party. Use the graph to write an equation in slope-intercept form to represent the amount spent, y, on x hours of music. 

• y = 75x + 100
• y = 100x
• y= 100x + 75
• y = 75x

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Which statement best describes "b"?

• x-intercept
• y- intercept
• Slope
• Bee

Tags

CCSS.HSS.ID.C.7

Identify the slope and y-intercept of:
y = 1/2x - 1

• slope: 1/2   y-intercept:  -1 
• slope: 2/1   y-intercept:  -1
• slope: 3   y-intercept:  -3 
• slope: 2  y-intercept:  5 

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

A 7-inch candle burns at a rate of 2-inches per hour. Which equation represents the relationship between y, the height of the dandle in inches, and x, the number of hours the candle burns?

• y=2x+7
• y=-2x+7
• y=2-7x
• y=7x+2

Tags

CCSS.HSF-BF.A.1A

Which statement best describes "m"?

• x- intercept
• y - intercept
• slope
• bee

Tags

CCSS.8.EE.B.5

The GPA of a student can be predicted using the equation
y = 1.4 x + 1.4  where x is the hours the student spends studying.  What is the expected GPA of a student that spends no hours studying?

• 2.4
• 1.4
• not enough information
• 2.8

Tags

CCSS.HSF.LE.B.5