IM 7.2.3 Practice: More about Constant of Proportionality
Noah is running a portion of a marathon at a constant speed of 6 miles per hour. Complete the table to predict how long it would take him to run different distances at that speed, and how far he would run in different time intervals.
One kilometer is 1000 meters. Complete the table.
What is the constant of proportionality in the table above? What does the constant of proportionality tell us?
One kilometer is 1000 meters. Complete the table.
What is the constant of proportionality in the table above? What does the constant of proportionality tell us?
What is the relationship between the constants of proportionality in the two tables above?
Jada and Lin are comparing inches and feet. Jada says that the constant of proportionality is 12. Lin says it is . Do you agree with either of them? Explain your reasoning.
The area of the Mojave desert is 25,000 square miles. A scale drawing of the Mojave desert has an area of 10 square inches. What is the scale of the map?
Which of these scales is equivalent to the scale 1 cm to 5 km? Select all that apply.
Which one of these pictures is not like the others? Explain what makes it different using ratios.
