Linear Relationships-Retake

1. Which situation is best described by the graph shown? (a)  

• A. JJ purchases chips for $0.75 per bag.
• B. Mark buys a pack of gum for $1.50 each
• C. Paula pays $0.50 per ticket at the fair.
• D. Franco purchases flowers for $3.00 each.

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CCSS.7.RP.A.1

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2. Find the constant of proportionality in the graph below.

• A. 9
• B. 4
• C. 3
• D. 1.5

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CCSS.7.RP.A.2

3. A tile backsplash is being installed. The installation fee is $150.00. The tile is priced at $2.75 per square foot, f. Which equation best represents the total cost, c, of the backsplash? (a)  

• c = 150f + 2.75
• c = 2.75 – 150f
• c = 2.75f + 150
• c = 152.75f

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CCSS.7.EE.B.4

WRITE an equation that best represents the relationship between x and y?

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6. Based on the information in the table, which equation can be used to represent the relationship?

• A. y = 8x
• B. y = 5x + 5
• C. y = 5x + 15
• D. y = 5x + 40

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CCSS.7.EE.A.2

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7. The graph below shows the relationship between the amount of money in Sarah’s savings account over a period of time. Which of the following statements is NOT true about the relationship?

• A. After 5 weeks, Sarah has $100 in her account.
• B. If Sarah has a balance of $60, then 7 weeks have passed.
• C. The relationship is proportional.
• D. The situation can be represented by the equation y = 200 – 20x.

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8. The table below shows the relationship between the number of miles traveled, x, and the gallons of gas used, y. Which of the following equations best represents the relationship?

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CCSS.7.EE.B.4

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9. Which of the following equations best represents the relationship between x and y?

• A. y = 3x
• B. y = 0.5x + 3
• C. y = 0.5x – 3
• D. y = 3x – 0.5

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CCSS.7.EE.A.1

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10. Which of the following does NOT represent the number of months in a year?

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CCSS.6.RP.A.1

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11. Which situation best represents the equation y=2.5x ?

• A. John has $2.50 more in his savings than his brother Sam.
• B. Two cartons of eggs ring up at the register for $2.50.
• C. A bank account is opened with a balance of $5, and $2.50 is deposited each day.
• D. Meg pours 2.5 ounces of water onto the plant’s soil each day.

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CCSS.7.EE.B.4

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