CCSS.Math.Content.8.F.B.4

The table below represents Sally’s distance y after x hours after leaving a restaurant. 
 Time (h)           2   3    4    5
 Distance (mi)   55  70  85  100    
How fast is Sally driving?

• 5 mi/h
• 15 mi/h
• 25 mi/h
• 40 mi/h

Tags

CCSS.Math.Content.8.F.B.4

What is the y intercept?
y = 2x - 3

• 3
• -3
• 1
• 2

Tags

CCSS.Math.Content.8.F.B.4

Find the slope of the following two points (-12, -12) and (7, -12)

• undefined
• -1
• 1
• 0

Tags

CCSS.Math.Content.8.F.B.4

A holiday meal costs $12.50 a person plus a delivery fee of $30.  Which equation represents the amount a holiday meal costs, including delivery, for x people?

• y = 30 + 12.5x 
• y = 12.5 + 30
• y = 12.5 + 30x

Tags

CCSS.Math.Content.8.F.B.4

Jerry has $20 and makes $7 per hour. Which equation represents the total amount of money Jerry has after working x hours?

• y = 7x + 20
• y = 7 + 20x
• y = 20 + 7

Tags

CCSS.Math.Content.8.F.B.4

Name the constant of proportionality.

• 8
• 16
• 6
• 3

Tags

CCSS.Math.Content.8.F.B.4

In the equation y = 14x, what is the constant of proportionality?

• y
• x
• 14

Tags

CCSS.Math.Content.8.F.B.4

Match the equation to its description.

• Vertical Stretched by 2 and translation up 4
•  Vertical Compressed by 2 and translation up 4
• Horizontal Stretched by 2 and translation left 4
• Horizontal Compressed by 2 and translation right 4

Tags

CCSS.Math.Content.8.F.B.4

Find the rate of change

• 9
• -9
• -1/9
• 1/9

Tags

CCSS.Math.Content.8.F.B.4

What is the equation of the following graph?

• y = 0.25x + 2

• y = -4x + 2

• y = 4x + 2

• y = -0.25x + 2

Tags

CCSS.Math.Content.8.F.B.4