Linear Relationships

Which graph shows a proportional relationship between x and y?

• F

• G

• H

• J

Tags

CCSS.7.RP.A.2D

Proportional relationships must go through the origin. (0,0)

• True

• False

Tags

CCSS.7.RP.A.2D

The graph shows the cost of a personal pizza (y) vs. the number of toppings (x). Which equation best describes the relationship above?

• y = 2x

• y = 2x + 4

• y = 4x

• y = 2x + 2

Tags

CCSS.8.EE.B.5

Which of the following situations could be described by the equation y = 120 - 25x ?

• There are 120 people in the football stadium, and 25 more are entering each hour

• A plumber charges $25 for a house call and $120 per hour

• A teacher has 120 students. Her third period has 25 students

• There are 120 gallons of water in a tank. It releases water at a rate of 25 gallons per minute

Pierre sells homecoming mums for $10, plus and additional $0.75 per decoration added. Which table shows the relationship between the total cost of the mum (C) and the number of decorations (d)?

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Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Which graph shows the equation y = -1/2x + 5

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Which table shows the relationship represented by the graph?

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Tags

CCSS.8.EE.B.5

Which graph correctly displays the data from the table?

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Tags

CCSS.8.EE.B.5

Which table shows the equation y = 1/2x - 7

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Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Sally will earn $6 for every hour that she babysits. Which of the following equations can be used to represent y, the total amount of money she'll earn in x hours?

• x = 6 + y

• x = 6 y

• y = 6 + x

• y = 6x

Tags

7.4.A