Linear Relationships

Which equation is being represented by this line?

• y = -1x + 2

• y = 1/2x + 2

• y = 3x -4

• y = -3x +2

Tags

TEKS.MATH.8.4C

What is the y-intercept for the following graph and is it proportional or non-proportional?

• Proportional, b=0

• Proportional, m=0

• Non-proportional, b=1

• Non-proportional, b=0

Tags

TEKS.MATH.8.4C

Which equation matches the table?

• y = x

• y = 5x

• y = x - 4

• y = x + 4

Tags

TEKS.MATH.8.5I

The scatter plot shows the relationship between the number of chapters and the total number of pages for several books. Use the trend line to predict how many chapters would be in a book with 180 pages.

• 12 chapters

• 15 chapters

• 18 chapters

• 21 chapters

Tags

TEKS.MATH.8.5D

• F

• G

• H

• J

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

The graph shows the value of a machine over a 10-year period. Which equation best represents the relationship between x, the age of the machine in years, and y, the value of the machine in dollars, over this 10-year period?

• y = - 0.002x + 2,500

• y = - 500x + 8,000

• y = 500x + 8,000

• y = 0.002x + 2,500

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Which equation best represents the relationship between x, the age of the machine in years, and y, the value of the machine in dollars over this 10-year period?

• y =  -0.002x + 2,500

• y = -500x + 8,000

• y = 500x + 8,000

• y = 0.002x + 2,500

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Q16

• F

• G

• H

• J

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

What is the equation that best represents the graph above?

• y = 2/3x + 5

• y = - 2/3x +5

• y = 2/3x - 5

• y = - 2/3x - 5

The graph shows the relationship between the number of hours a paddleboat is rented and the total cost of the rental. Write and equation for the relationship, then use the equation to predict how much it would cost to rent a paddleboat for 5.5 hours.

• x = 20y + 30; $140

• y = 30x + 20; $100

• y = 20x -30; $150

• y = 20x + 30; $140

Tags

CCSS.8.EE.B.5