Algebra Unit 2 Review

Deborah just broke her brand new iphone and needs to fix it. The phone repair shop charges a fixed amount for labor, plus another dollar amount per hour. The coordinate grid shows the graph of the function that represents the function.

• It is $75 and it represents the hourly rate for the labor charges

• It is $75 and it represents the fixed amount for the labor charges

• It is $50 and it represents the hourly rate for the labor charges

• It is $50 and it represents the fixed amount for the labor charges

A new ride-share company charges $3 as soon as a passenger enters the car, then $2 per mile for the first 5 miles, then $1 per hour for distances greater than 5 miles. Which graph best models the taxi company's charges?

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Which equation represents a line that has a slope of -3/4 and passes through (4,0)?

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The equation below describes the graph of a line on a coordinate plane. y-1=-2(x-3)

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Andrew was studying the relationship between the weight of his new puppy, W, and the number of weeks, T. He found the relationship to be proportional. Which equation models a proportional relationship between W and T?

• W = T - 3

• W = T + 3

• W = T x 3

• W = T ÷ 3

Two variables x and y are related proportionally. Which equation models a proportional relationship?

• y = k + x

• y = k - x

• y = k · x

• y = k ÷ x

Alex walked 3 miles yesterday. Today he will walk at a rate of 4 miles per hour. Which graph shows her two-day total walking distance, d, based on the number of hours, she spends walking today?

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Which coordinate grid shows the graph of 2x-3y=6?

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Chai had $20 in her bank account. She deposits $10.00 a week to her savings as shown in the graph.

According to this graph, how much money does she have in her savings account after 6 weeks?

• $70

• $80

• $60

• $90