Linear Functions and Word Problems

Which of these tables are NOT a function?

• Table starting with -2

• Table starting with 5

• Table starting with 3

• Table starting with -8

Tags

CCSS.8.F.A.1

What do we eliminate in word problems?

• question

• unnecessary information

• numbers

• keywords

Jerry has $20 and makes $7 per hour. Which equation represents the total amount of money Jerry has after working x hours?

• y = 7x + 20

• y = 7 + 20x

• y = 20 + 7

Tags

CCSS.6.EE.C.9

Lee charges $3 for a basket and $2.50 for each pound of fruit picked at the orchard. Write an equation in y = mx + b form for the total cost of x pounds of fruit from the orchard.

• y = 3x + 2.5

• y = 2.50x + 3

• y = 2.50x 

• y = 3x + 2.50

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

• A

• B

• C

• D

Tags

CCSS.HSF-BF.A.1A

• 
• 
• 
• 

Tags

A.2(C)

• A

• B

• C

• D

Tags

CCSS.HSF-BF.A.1A

Yaleen adds songs to her spotify playlist. If her playlist already has 500 songs, and she adds 3 songs per day. write a linear function

Mathematical Equivalence

ON

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

T-mobile charges a base rate of $30 per month for unlimited text plus $.10/ minute of talk time. Write the function for monthly cost for x minutes. ​ (a)   what is the independent variable ​ (b)   what is the dependent variable ​ (c)  

• f(x)=20 + .10x

• f(x)= .10 + 30x

• f(x)= 30x + $.10x

• f(x)=30+ $.10x

• minutes

• cost

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

At a restaurant jars of tomato sauce are stored in boxes in the pantry. Each box contains 8 jars of tomato sauce. A cook uses 2 jars from 1 of the boxes. Write the function that shows the relationship between y, the total number of jars of tomato sauce remaining in the pantry, and x, the number of boxes in the pantry.

Mathematical Equivalence

ON

Tags

CCSS.HSF-BF.A.1A