graphing proportional relationships
equations of proportional relationships y=kx
Unit Rate
Scale Drawings
Integers
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
Sam took 2 hours to drive 100 miles. What was the unit rate in miles per hour?
50 mph
100
A scale factor is an enlargement is the scale factor is...
greater than 1
100
What are integers?
positive and negative whole numbers
no decimals or fractions!
200
How do you tell if a graph represents a proportional relationship?
straight line through the origin
200
Is this equation proportional?
If so what is the constant of proportionality? (K=)
y= 4x
Yes
K=4
200
You can run 2 miles in 16 minutes. How many minutes does it take to run 1 mile?
8 minutes
200
A reduction means that the drawing is ________ the original
smaller than
200
If you multiply two negative numbers, your answer will be...
positive
300
Are all straight line graphs proportional relationships?
no
300
Is this equation proportional? If so what is the constant of proportionality? (K=)
y= ¾ x
proportional
k= 3/4
300
Ms. Fuhrman can walk 1 mile in 15 minutes. How long will it take her to walk 3 miles.
45 minutes
300
On the map, two cities are 3 inches apart. How far apart are they in real life if 1 inch on the map represents 10 miles in real life?
30 miles
300
Find the sum:
-10 + 5
-5
400
Is this graph proportional?
YES because it is a straight line and goes through the origin
400
Using this graph, What is the constant of proportionality? (what is y/x) 
1/6 or 2/12 or 3/18 or 5/30
400
What is the unit rate of money earned per 1 hour?
9 dollars
400
What is the scale factor between the triangles?
the scale factor is 4
400
Find the product
(-2) x 9
-18
500
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 this if this data was graphed on a coordinate plane?
(___, ____)
(5,250)
500
What is the constant of proportionality?
y/x
k = 3/2 or 6/4 or 9/6 or 12/8 or 15/10
500
Ms. Fuhrman grades exit tickets, t, in a certain number of minutes, m.
The equation m=3t shows how many exit tickets she can grade in any number of minutes.
What is her unit rate of minutes per exit ticket?
3 minutes per exit ticket
500
How can you find the scale factor between an original and a new drawing?
divide the new measurement by the original measurement
500
Find the sum:
(-10) + (-3) + 10
-3