Linear Relationships

The cost of bagels at store A are shown in the graph. The cost y for x bagels at store B is represented by the equation y=0.50x

Which of the following statements are true?

• The bagels at store A cost more.

• The bagels at store A cost $0.60 each.

• The bagels at store B cost more.

• The bagels at store B cost $0.25 each.

• The bagels cost the same at both stores.

The cost, y, of x packages of balloons at store A is represented by the equation y=1.50x.

The costs of packages of balloons at store B are shown in the table.

Which of the following statements are true?

• The packages of balloons cost the same at both stores.

• The packages of balloons at store B cost more.

• The packages of balloons at store A cost more.

• The packages of balloons at store B cost $1.25.

• The packages of balloons at store A cost $1.50.

Jarrod earns $12 an hour at his job. The table shows what Dale earns at his job.

Which statement is true?

• Jarrod earns $ 3 more per hour.

• Dale earns $3 more per hour.

• Dale earns $18 more per hour.

• Jarrod earns $18 more per hour.

The profits from selling t-shirts at store A are shown in the graph. The profit y for selling x t-shirts at store B is represented by the equation y=5.50x.

Which of the following statements are true?

• Both stores made the same profit per t-shirt.

• Store B made a profit of $5.00 per t-shirt.

• Store A made a profit of $5.50 per t-shirt.

• Store A made a greater profit per t-shirt.

• Store B made a greater profit per t-shirt.

The cost y of x packages of trading cards at store A is represented by the equation y=1.5x. The costs of packages of trading cards at store B are shown in the table.

Which of the following statements are true? Select all that apply.

• Three packages of trading cards at store A cost $4.50.

• Packages of trading cards cost the same at both stores.

• One package of trading cards at store B costs $1.25.

• The packages of trading cards at store A cost more.

• The packages of trading cards at store B cost more.

A candy store sells lollipops and the money they collect is shown in the graph.

x = number of lollipops

y = cost

Select the true statement

• Each lollipop costs $1.50

• Each lollipop costs $0.75

• Each lollipop costs $1.00

• Each lollipop costs $0.25

The debate team is trying to fundraise by selling cookies. The graph of the money they collected is shown, where x is number of cookies and y is cost.

Select the true statement.

• They only sold 8 cookies

• They sold 1 cookie for $2

• They sold 2 cookies for $1

Stephanie kept track of the number of steps she took in the walk-a-thon. The average number of steps she took can be represented by the equation y=2500x.

The table shows the number of steps Calvin walked each hour in a walk-a-thon.

Which of the following statements is true?

• Stephanie walked 275 more steps per hour.

• Calvin walked 550 more steps per hour.

• Calvin walked 225 more steps per hour.

• Stephanie walked 550 more steps per hour.

At store A, erasers are sold individually. The cost y of x erasers is represented by the equation y=0.75x.

The costs of erasers at store B are shown in the graph.

Which of the following statements are true? Select all that apply.

• The erasers cost the same at both stores

• The erasers at store B cost more

• The erasers at store B cost $0.25 each

• The erasers at store A cost $0.75 each

• The erasers at store A cost more

The costs y of x pounds of apples at four different stores are represented below. Which store has the greatest cost?

• y=2.90x

• The cost of 3 pounds of apples is $9.75. The cost of 8 pounds of apples is $26.00.

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