150 likes | 315 Views
How can you show an infinite number of possible answers?. Egg salad: $5 per pound. 1 pound for $5. 3 pounds for $15. 20 pounds for $100. In this lesson you will learn to display all the possibilities in a proportional relationship by graphing. Proportional relationships.
E N D
How can you show an infinite number of possible answers? Egg salad: $5 per pound 1 pound for $5 3 pounds for $15 20 pounds for $100
In this lesson you will learn to display all the possibilities in a proportional relationshipby graphing.
Proportional relationships 30 miles every 2 hours 2 pounds cost $6
Use equal steps for a graph’s scales! (1, 2) 12 11 (2, 5) 8 5 2 4 (3, 11) 3 1 2
2 pounds for $6 Cost ($) Weight (lb.) 2 6 4 12 18 6
Cost ($) Cost ($) Weight (lb.) 2 6 4 12 18 6 Weight (lb.)
Distance (mi.) 45 miles in 3 hours 30 miles in 2 hours Time (hr.)
In this lesson you have learned to display all the possibilities in a proportional relationshipby graphing.
Graph the proportional relationship “3 pounds of egg salad for $2.”
Distance (ft.) State in words the proportional relationship shown here. (There are many correct answers!) Time (min.)
Multiple choice: Which graph shows a proportional relationship? A. B. C. D.
Graph a proportional relationship with negative quantities, like “a loss of 3 dollars per day.” Discuss why the graph is in the fourth quadrant.
Graph a relationship that is not proportional. Discuss why it is not.
Cost ($) State in words the proportional relationship shown here. (There are many correct answers!) Weight (ounces)