U3 TEST Attributes of Linear Relationships

The table shows how much money Sara makes for working certain number of hours.

Sara's pay varies directly with the number of hours she worked.

Which equation would represent this?​ (a)  

Plot two points that represent a proportional relationship in which y = 5 when x = 3. Move the two points to form this linear relationship.

Tags

CCSS.8.EE.B.5

Malik owns a lawn-mowing business. The number of lawns he mows varies directly with the number of hours he works. On Tuesday he mowed 4 lawns in 5 hours.

How many lawns can Malik mow on Wednesday if he works for 7.5 hours?

• 6.5

• 10

• 6

• 9.375

A printing store used 24 ounces of ink in 18 minutes. Which graph has a slope that best represents the average number of ounces of ink used per minute?

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Tags

CCSS.8.EE.B.5

Organize and identify each linear relationships as proportional or non-proportional.

Groups:

(a) Proportional

,

(b) Non-Proportional

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• Using a coupon to purchase bottles of apple juice for $2.28 each reduces the total cost by $1.00

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• The key on a map indicates that 0.5 inch represents 12 miles.

Tags

CCSS.7.RP.A.2D

The graph shows a relationship between x and y.

Which statement is true?

• The graph shows a non-proportional relationship because the graph has a negative slope.

• The graph shows a non-proportional relationship because the graph does not contain the origin.

• The graph shows a proportional relationship because the x and y intercepts both contain 7.

• The graph shows a proportional relationship because the graph passes through 3 different quadrants.

Tags

CCSS.8.EE.B.5

Eva is starting a new job. She earns an hourly wage, and the cost of her uniform is taken out of her first paycheck. She makes a table showing different numbers of hours she could work, x, and the amount that her first paycheck would be, y. Based on the table, what is Eva's hourly wage and what is the cost of her uniform?

Hourly wage: ​ ​ (a)   per hour

Uniform cost: ​ (b)  

• $14.25
• $25.00
• $2.00
• $3.50
• $9.25
• $12.00

The graph of a linear function is shown on the grid.

Identify an equation that represents the relationship shown on the graph.

y=​ (a)   x + ​ (b)  

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

A coach is ordering shirts for a team.

• - The coach pays a one-time fee of $24.

• - The coach also pays $8 for each shirt ordered.

• Which function can be used to find c, the total amount the coach pays in dollars when k shirts are ordered?

Tags

CCSS.HSF-BF.A.1A