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

Jose reduced the size of a photo to a height of 4 in. What is the new width if it was originally 16 in tall and 8 in wide?

• 16 in
• 3 in
• 2 in
• 4 in

Tags

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

Which of the following are ways to find the rate of change?

• change in y over change in x
• rise over run
• subtract y coordinates over subtract x coordinates
• all of the above

Tags

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

Match the table with the correct equation:

x | y

-5 | 12

-4 | 11

0 | 9

2 | 15

3 | 25

• y = -.08x² + 5.94x +28.80

• y = -1.2x² + 3.2x +3.2

• y = 0.5x +9

• y = 0.7 x² + 2.7x +8.7

Tags

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

Hank made 4 pizzas and used 8 lbs of cheese. How much cheese does he need for 1 pizza?

• 1 lb

• 2 lbs

• 16 lbs

• 4 lbs

Tags

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

What is the y-intercept?

• (0,2)
• (6,0)
• (2,0)
• (0,6)

Tags

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

Calculate the average rate of change from 20 to 40 minutes.

• -2 minutes per gallon

• -20 minutes per gallon

• -2 gallons per minute

• -20 gallons per minute

Tags

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

Which line has the equation

y = x + 2

• 
• 
• 
• 

Tags

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

Write the slope-intercept form of the equation with the given point and slope.

Through ( - 1,4 ) and m = - 3

• y = x - 3

• y = - 3x + 1

• y = x + 2

• y= - 3x + 4

Tags

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

Jeff earns $10 per hours raking leaves. Write an equation to find the amount of money "y" he earns for "x" number of hours.

• y = 10x

• x = 10y

• y = x + 7

Tags

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