Graphs
equations
tables
Mastery
100
A graph must have these two features to be considered proportional.
a straight line and goes to the origin (0,0)
100
What is the constant in this equation?
y=2.5x
2.5
100
What is the constant in this table?
3
100
0.24
1.44
200
A proportional graph is straight because of?
It has the same constant through out the line
200
Write the equation that has a constant of 1/2.
y=1/2x
200
what is the constant in this table?
0.5
1/2
200
Which table represents a proportional relationship? State the constant for the table
A
B
C
D
B
m=3
300
Is this graph proportional? if it is tell me what the constant is.
no
300
Write the equation for this table 
x=7.5y
y=2/15x
300
Is this table proportional? If it is state what the constant is.
no, it has a constant of 1/2 in ever row except the last which has a constant of 1/3
300
Who is the imposter?
Wyatt
400
Is this graph proporitonal? If it is tell me the constant.
6/5
yes
400
Write an equation for the graph.
y=2.75x
400
Is this table proportional? If so state what the constant is.
yes.
m=1/3
400
What does the point (1,25) represent in this graph?
There are 25 grams of almonds for every cup of oats
500
What is the constant in this proportional graph? Write the equation for the graph as well.
m=15
y=15x
500
If Andre rode his bike at a constant speed of 1 mile in 5 minutes, what equation could be used to find his distance, d, after a given time,y, in miles per hour?
d=1/5t
500
Is this table proportional? If it is state what the constant is and then write the equation for the table.
yes
m=3
y=3x
500
The blue line is Diego's and the black line is Noah's.
Diego's constant is higher than Noahs so his line should go up quicker.