Linear Relationships

What is the equation of the straight line shown in the diagram?

• y = (½)x - 2

• y = 2x - 2

• y = -2x + ½

• y = -(½)x + 2

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

In the equation y=mx+b, what does the m represent?

• slope

• y-intercept

• linear

• point-slope

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

What does 'b" represent in y=mx+b

• y-intercept

• macaroni

• nothing

• slope

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Which equation represents the relationships between the x values and the y values in the table?

• y = 2x +12

• y = 4x + 6

• y = 2x + 4

• y = 6x + 4

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Based on the graph, what is the slope (rate of change) of a canoe rental?

• $6 per hour

• $12 per hour

• $24 per hour

• $1 per 12 hours

Tags

CCSS.HSF.IF.B.4

The graph shows the cost to rent a canoe from company A. At company B, the cost to rent a canoe is $ 5 dollars per hour. How much more expensive would it be to rent from company A if you rented for 5 hours?

• $1

• $3

• $5

• $7

Tags

CCSS.8.EE.B.5

A Jam company is trying out a new recipe. The graph shows the old recipe and the table shows the new recipe. Which recipe uses more sugar per jar of jam?

• The old recipe

• The new recipe

• Impossible to tell

Tags

CCSS.8.EE.B.5

An electrician charges $25 to make a house call, plus $40 for every hour of work. Which equation shows how to find C, the total cost for having the electrician work for h hours?

• C = 25 + 40h

• C = 65 + h

• C= 65h

• C = 25h + 40

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

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

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

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