Tables
Equations
Graphs
Proportional Graphs?
Words
Coordinates
100
Every one cup of sugar uses _____ cups of flour?
X Y
What is 1.5 cups
100
Write the equation of the relationship of two quantities if you know the constant of proportionality is 5.
what is y=5x
100
Why is this graph not proportional?
What is it's not going through the origin
100
Are proportional graphs straight or curved?
straight
100
A plant grows 4 inches in 2 days? How many inches it will grow in 1 day.
What is 2 inches
100
What are the coordinates of Point A
(-5, 3)
200
Drew paints portraits. Find the constant of proportionality (unit rate)
Number of portraits Time hours
1 5
2 10
3 15
4 20
5 hours
200
What equation represents the graph?
what is y=0.66x
200
What is the constant of proportionality?
What is 6
200
Do proportional graphs form a line or an x shape?
a line
200
A runner runs 75 miles in 5 days? How many miles the runner runs in 1 day.
15 miles
200
What are the coordinates of Point B?
(-7, -2)
300
Is the following ratio table proportional?
What is NO
300
Becca completes 42 math problems in 12 minutes. Write an equation to represent how long each problem takes.
y=3.5x
300
What does the constant of proportionality tell you in this graph?
What is every 1 minute 0.4 miles completed
300
What special point must all proportional graphs go through?
the origin or (0,0)
300
If there are 20 m & m's in one ounce, how many are in 12 ounces?
240 m & m's
300
What are the coordinates of Point C?
(-4,1)
400
Middle school students are going on a field trip. Adult volunteers are needed to accompany the students on the field trip.
The table shows x adult volunteers will accompany y students How many students will go with 1 adult volunteer?
Find the unit rate.
12
400
If bales of hay vary directly with the number of mules, what is the equation of the table?
Y X
y=(1/2)x
400
What is the unit rate for line A and B?
Line A: 0.56
Line B: 1.25
400
How do you know a graph is proportional?
What is a straight line through the origin.
400
Jeff earns money mowing lawns. His earnings and hours worked represent a direct variation. He worked for 5 hours and earned $37.50. What he would make for 32 hours of work?
What is $240
400
What are the coordinates of Point D?
(3, -6)
500
The amount of money Travis earns is given in the table below.
How much money in dollars does Travis earn for working 20 hours? Show your work.
250
500
If water used varies directly with time, what is the equation of the relationship?
y=5x
500
What is the constant of Proportionality?
what is 1/6
500
Can a proportional graph be a straight vertical line?
No
500
For every 15 calories your body takes in, your brain uses about 3 of them. Find the amount of calories your body took in if your brain used 150 calories.
What is 30 calories
500
What is the special name given to point (0,0)?
origin