

Compare constants of proportionality
Presentation
•
Mathematics
•
7th Grade
•
Easy
JUSTIN COTTON
Used 21+ times
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8 Slides • 11 Questions
1
Compare constants of proportionality

2
When looking at a pair of equations, you can determine which equation has the greater Constant of Proportionality simply by looking at the equations.
3
Multiple Choice
Which equation has a greater constant of proportionality?
y = 2x
y = 3x
y = 1/5x
y = 5x
4
Multiple Choice
Which equation has a greater constant of proportionality?
y = 12x
y = x
y = 1/3x
y = 5x
5
Multiple Choice
Which equation has the greater constant of proportionality?
y = 100x
y = 5x
y = 1/2x
y = 4x
6
COP from tables
Divide the dependent variable by the independent variable.
7
Open Ended
Why would the constant of proportionality be 13?
8
Unit rate
There are 13 apples per tree. This is another way to describe the constant of proportionality or the unit rate
9
Multiple Choice
Which answer describes the unit rate in the table?
2 bales of hay per mule
1 bale of hay per mule
1/2 bale of hay per mule
10 bales of hay per mule
10
Multiple Choice
What is the Constant of Proportionality in the table?
3
5
15
1/3
11
Recipe B uses 9 ounces of flour to make 12 servings of dough.
The unit rate in this situation is 9/12 ounces of flour per serving of dough or 3/4 ounces of flour per serving of dough.
12
Multiple Choice
Mr. Cotton uses 10 table spoons of sugar per every 2 cups of kool aid. Which answer below describes the constant of proportionality?
5 table spoons of sugar per cup of kool aid
10 cups of sugar per cup of kool aid
1/5 cups of sugar per cup of cool aid
13
14
Multiple Choice
Which answer below best describes when there are 80 inches of snow over 10 days.
8 inches of snow per day
10 inches of snow per day
80 inches of snow per day
15
Multiple Choice
Which answer below best describes when 5 pounds of potatoes cost $10
1/2 pound of potatoe per dollar
5 pounds of potatoes per dollar
10 pounds of potatoes per dollar
16
In this graph, line u is moving faster than line v, when you read a graph, the steeper line (the one thats looks like it would be more difficult to hike) has the greater C.O.P. or unit rate.
17
Multiple Choice
Which line has the greater unit rate?
line V
line U
18
Multiple Choice
Which graph has the greater unit rate?
avenger (red)
serendipity
19
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compare constants of proportionality
Compare constants of proportionality

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