PSABPQZG - Student Facing Task---Acc7.5 Lesson 25 Using Linear Relations to Solve Problems (8.EE.B.6 8.EE.C.8.a)
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Part A)

For each relationship described, write an equation to represent the relationship.

 

Grapes cost $2.39 per pound. Bananas cost $0.59 per pound. You have $15 to spend on g pounds of grapes and b pounds of bananas.

 

Write the equation using the "WIRIS editor" button 

 

 

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Part B)

A savings account has $50 in it at the start of the year and $20 is deposited each week. After x weeks, there are y dollars in the account.

 

 

Write the equation using the "WIRIS editor" button 

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Part A)

 

Each line represents one person’s weekly savings account balance from the start of the year.

 

Choose one line and write a description of what happens to that person's account over the first 17 weeks of the year. Do not tell your group which line you chose.

 

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Part B)

Write an equation for each line on the graph. What do the slope, m, and vertical intercept, b, in each equation mean in the situation?

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Part C)

For which equation is (1,70) a solution? Interpret this solution in terms of your story.

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Part D)

Predict the balance in each account after 20 weeks.

 

Fill in the blank with your answer. Do not include dollars ($) in your answer.

 

Person will have $_____

Type your answer below as a number (example: 5, 3.1, 4 1/2, or 3/2):
Part E)

Predict the balance in each account after 20 weeks.

 

Fill in the blank with your answer. Do not include dollars ($) in your answer.

 

Person will have $_____

Type your answer below as a number (example: 5, 3.1, 4 1/2, or 3/2):
Part F)

 Predict the balance in each account after 20 weeks.

 

Fill in the blank with your answer. Do not include dollars ($) in your answer.

 

Person will have $_____

Type your answer below as a number (example: 5, 3.1, 4 1/2, or 3/2):
Part G)

Predict the balance in each account after 20 weeks.

 

Fill in the blank with your answer. Do not include dollars ($) in your answer.

 

Person will have $_____

Type your answer below as a number (example: 5, 3.1, 4 1/2, or 3/2):
Part H)

Predict the balance in each account after 20 weeks.

 

Fill in the blank with your answer. Do not include dollars ($) in your answer.

 

Person will have $_____

Type your answer below as a number (example: 5, 3.1, 4 1/2, or 3/2):
Part A)

The Fabulous Fish Market orders tilapia, which costs $3 per pound, and salmon, which costs $5 per pound. The market budgets $210 to spend on this order each day.

 

What are five different combinations of salmon and tilapia that the market can order?

 

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Part B)

Define variables and write an equation representing the relationship between the amount of each fish bought and how much the market spends.

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Part C)

Sketch a graph of the relationship. Label your axes.

 

Draw your graph on paper, take a picture, and upload it using the image upload icon 

 

If you do not have the ability to upload an image of your work, type "Graph is on paper."

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Part D)

 

 

Draw your graph on paper, take a picture, and upload it using the image upload icon 

 

If you do not have the ability to upload an image of your work, type "Graph is on paper."

 

 

 

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Part E)

Which of these combinations can the market order?

Select all that apply:
Part F)

Explain or show your reasoning.

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Part G)

List two ways you can tell if a pair of numbers is a solution to an equation.

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