what ordered pair is used for the origin?
(0,0)
Is this equation proportional? y= 3x
If so what is the constant of proportionality? (m)
Yes
m=3
Are these ratios proportional?
Yes
The Constant of Proportionality and Unit Rate of Change are all the same for a proportional relationship? True or False
True
Convert 8.5 miles in 1.5 hours to miles per hour
5 2/3
Miles per Hour
How do you tell if a graph represents a proportional relationship
straight line through the origin or if y/x is constant
Is this equation proportional? If so what is the constant of proportionality? (m=)
y= 4x + 10
Not proportional
Is the graph a proportional relationship? Why?
NO
Does not go through the origin
Solve
n=3.8
Mr. Anderson drinks 1.75 cups of coffee in 3 hours. How many cups does he drink in 7 hours?
4 1/12
Are all straight line graphs proportional relationships?
no
Is this equation proportional? If so what is the constant of proportionality? (m=)
y= ¾ x
proportional
m= 3/4
Is the table proportional?
No
Given the table is proportional. Solve for k
k = 13
In a unit rate, what does the denominator need to be?
1
Is this graph proportional?
YES
Using this graph, What is the equation?
y= 1/6x
Is the table proportional?
Yes it is proportional
y/x=6/2
what is this constant of proportionality
3
Convert 9.5 inches per second to miles per hour (5280 feet in a mile)
About .54 miles per hour
Paul drives to his 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)
Write an equation for the proportional relationship shown in the table
Y= 3/2 x
a) yes
Sam took 8 hours to drive 272 miles. What was the unit rate in miles per hour?
34 mph
8 feet per second. Convert to miles per hour (there are 5280 feet in a mile)
About 5.45 miles per hour