Interpreting Parts of a Linear Equation

• m

• b

• y

• x

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CCSS.8.EE.B.6

CCSS.8.F.A.3

• m

• b

• y

• x

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CCSS.8.EE.B.6

CCSS.8.F.A.3

• (0,-4)

• (-4,0)

• (0,1)

• (1,0)

How would you write the linear equation if the slope was -1 and the y-intercept was (0,0)?

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

To start her collection of comic books, Joylin's uncle gives Joylin a box of comic books and several monthly subscriptions to comic books. The number of comic books in ther collection, y, after x months is modeled by the equation showny = 40 + 6xWhat does the number 40 represent in this equation?

• the price of a comic book subscription

• the number of months of Joylin's subscriptions

• the number of comic books in the box she received

• the number of title subscriptions Joylin received each month

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CCSS.HSF.LE.B.5

• F

• G

• H

• J

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CCSS.8.EE.B.5

Part A: ​ (a)   Part B: ​ (b)  

• A

• D

• B

• C

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CCSS.HSF.LE.B.5

A film crew follows employees in an office around for a day. The crew has already captured several hours worth of footage of the employees at work. The crew spends more time recording one-on-one interviews with each of the employees getting their take on the day. The equation m=15p+180 represents the length of minutes, m, of footage the crew has captured after they interview p employees. The coordinate (8, 300) corresponds with the film crew once they've finished filming for the day.

Match each number to the answer that BEST describes it.

• How many minutes of footage the crew filmed before interviews

• 8

• How many employees were interviewed

• 15

• How many minutes of footage the crew filmed once all interviews were conducted

• 300

• How many minutes each employee is interviewed for

• 180

Tags

CCSS.HSF.LE.B.5

Hint: You will need Desmos with this question. Remember the magic equation y1~mx1+b

The table shows the number of negative reviews a restaurant receives in relationship to the number of people in attendance daily at the restaurant.

Which statement is true?

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CCSS.8.EE.C.8C

Mrs. Kelly's class started a new book. After skipping a handful of pretext pages in the beginning, the class reads the same number of pages per day. The class can use the equation p=20d+3 to determine the page number, p, they are on in the book based on how many days, d, they have been reading the book. The coordinate (18, 363) is the solution to the equation that corresponds with the day the class finished the book. Match each of the following numbers to the description that BEST matches it.

• The number of pages the class skipped.

• 363

• The page-length of the book.

• 20

• The number of pages the class read each day.

• 18

• How many days it took the class to finish the book.

• 3

Tags

CCSS.HSF.LE.B.5