Constant Rate of Change from a Graph Word Problems

What is the rate of change for the following graph?

• 80 mi/hr

• 20 mi/hr

• 40 mi/hr

• 160 mi/hr

The constant of proportionality of this graph is k = 45. What does it mean...a.k.a. - rate of change?

• The boat travels for 45 miles for every 45 hours

• The boat travels 1 mile for every 45 hours

• The boat travels 45 miles for every 1 hour

• The boat travels 1/45 mile for every 1 hour

What is the rate of change for this graph? Be careful....k=y/x

• 4/3 dollars per pound

• 1 dollars per pound

• 4 dollars per pound

• 3/4 dollars per pound

What is the rate of change?

• 60 mi/hr

• 60 hr/mi

• 1 mi/hr

• 180 mi/hr

What constant rate of change is shown by the graph? (7.4A) hint: \frac{rise}{run}

• 2

• 3

• 0.5

• 1

An aquarium is being filled with water. The graph shows the height of the water over time as the aquarium is being filled.

Which statement best describes the rate of change for this situation?

• The height of the water increases 20 inches per second.

• The height of the water increases 1 inch per second.

• The height of the water increases 5 inches per second.

• The height of the water increases 2.5 inches per second.

An aquarium is being filled with water. The graph shows the height of the water over time as the aquarium is being filled. Which statement best describes the rate of change for this situation?

• The height of the water increases 20 inches per second.

• The height of the water increases 1 inch per second.

• The height of the water increases 5 inches per second.

• The height of the water increases 2.5 inches per second.

Tags

TEKS 8.4B

Find the constant rate of change for this graph.

• 2 lb per person

• 1 lb per person

• 3 lb per person

• 4 lb per person

• 
• 
• 
• 

What is the rate of change for the graph?

• m = 1/2

• m = 2

• m = -1/2

• m = -2