Ratios, Rates, and Unit Rates
graphing proportional relationships
equations of proportional relationships
identifying proportional relationships
Solve
100
Zahra's store sells a package of 25 trading cards for Sr50. What is the cost of 1 trading card?
Sr2.0
100
what ordered pair is used for the origin?
(0,0)
100
Is this equation proportional? y= 3x
If so what is the constant of proportionality? (k)
Yes
k=3
100
Are these ratios proportional? 
Yes
100
The Constant of Proportionality and the Unit Rate are the same for a proportional relationship? True or False
True
200
In a toy store, the ratio of dolls to teddy bears is 9:3. If the store has 240 dolls, how many teddy bears are in the store?
80 teddy bears
200
How do you tell if a graph represents a proportional relationship
straight line through the origin or if y/x is constant
200
Is this equation proportional? If so what is the constant of proportionality? (m=)
y= 4x + 10
Not proportional
200
Is the graph a proportional relationship? Why?
NO
Does not go through the origin
200
y=3x
what is this constant of proportionality
3
300
What is the unit rate if a car drives 7 miles and uses 1/3 gallons of gas?
21 miles/ gallon
300
Are all straight line graphs proportional relationships?
no
300
Is this equation proportional? If so what is the constant of proportionality? (m=)
y= ¾ x
proportional
m= 3/4
300
Is the table proportional?
No
300
Solve
n=3.8
400
If a recipe calls for 4 cups of water for every 3 cups of rice, how many cups of water are needed for 9 cups of rice?
4/3 = x/9; solving gives x = 12 cups of water.
400
Is this graph proportional?
YES
400
What is the constant of proportionality equation for the following graph? 
y=8x
400
Is the table proportional?
Yes it is proportional
400
Given the table is proportional. What is k?
k = 13
500
In the first 10 minutes of a rainstorm, 5 inches of rain fell. If the rain continues to fall at the same rate, how much rain fell in 2 1/2 hours?
75 inches
500
Fatimah drives to her friends house 250 miles in 5 hours. If this is drawn on a graph where y is miles and x is hours, then what is the ordered pair coordinates for if this data was graphed on a coordinate plane?
(5,250)
500
Write an equation for the proportional relationship shown in the table
Y= 3/2 x
500
a) yes
500
Sam took 8 hours to drive 272 miles. What was the unit rate in miles per hour?
34 mph