Constants in Graphs
What is the constant of proportionality:
X = 6 hours Y = 36 miles
What is 6 miles per every "x" hours
Which table has a proportional relationship? What is the constant of proportionality?
Table 1: $45 for 15 pounds of potatoes
Table 2: 3 items for $36
Table #2 What is 12
What is the constant of proportionality: 5 = 15 / 3
What is 5
Tony is going to the store. He can get 5lbs of bananas for $3.45. What is the price for 1 lb of bananas?
What is $0.69?
What is the equation for constant of proportionality?
What is y=kx or k=y/x
What is the constant of proportionality:
28 apples for $7.00
What is $0.25 for every "x" apple
Find the constant of proportionality:
X: Waffle Mix(cups) 2, 3, 4
Y: Water(cups) 1 1/2, 2 1/4, 3
What is 3/4 cup waffle mix per cup of water
Tammy went on 10 rides at the Washington County Fair she paid $35.00. What was the cost of each ride?
What is $3.50 per ride
True or False...Is there a proportional relationship? cost of notebooks: $3 for 1, $10 for 3, $12 for 4, $15 for 5.
What is false?
What is the constant of proportionality:
X = 3 gallons Y = 24 miles
What is 8 miles for every "x" gallon
What is the constant of proportionality:
X--Number of minutes:0 1 2 3 4 5 6
Y--Number of gallons: 0 10 20 30 40 50 60
What is 10 gallons per minute
Bob is going on a trail ride at a stable. A 30 minute trail ride cost $15.00. What will a four hour ride cost?
What is $120.00
15 / 1/2hour = 30/1hour x 4 = $120.00
What does a proportional relationship look like on a graph?
What is a straight line through the origin (0,0)
What is the constant of proportionality:
X = 4 scoops of coffee Y = 12 cups
What is 3 cups for every "x" scoops of coffee
Find the constant of proportionality:
X-cups of granola : 1 2 3 4
Y-cups of yogurt: 2 4 6 8
What is 2
Maria is at the store: Bananas are $4.50 for 4lbs, Apples are $13.50 for 12lbs, and onions are $27 for 24lbs. Does this form a proportional relationship?
What is YES!
What is the constant of proportionality 20 stores/5 roads? Use the COP to determine the number of stores on 13 roads.
What is 4, 52 stores?
What is the constant of proportionality:
X = 2 eggs Y = 1 cup of shredded cheese
What is 1/2 cup of shredded cheese for every "x" egg
Find the constant of proportionality:
X-cupcakes: 5, 7, 9
Y-sprinkles 85, 119, 153
What is 17
What is the constant of proportionality: 50x + 17 = y
There isn't one...it's not a COP equation!
Todd is at the store. He is comparing toothbrushes. Toothbrush A is $5.60 for a pack of 3. Toothbrush B is $4.60 for a pack of 2. Toothbrush C is $6.05 for a pack of 4.
What is the better buy?
What is Toothbrush A?
Sam can run 6 miles in 25 minutes. How many miles can he run in 14 minutes?
What is 3 3/8 miles?
What is 3.36 miles?