4
If i drive 150 miles in 3 hours, how fast was I going?
50 miles per hour
Solve: 1/3 divided by 2/3
3/6 or 1/2
The equation for proportionality is what?
y=kx
The equation for non-proportionality is what?
y=mx+b
The origin of the graph is where?
(0,0) or the center
6 books cost $20.46. How much would 1 book cost?
$3.41
Solve: 5/6 divided by 3/1
5/18
True or false: Non-proportional graphs will always go through the origin
False
Non-proportional lines are never straight on a graph
False
What is the difference between an equation and an expression?
Equations have equal signs and expressions do not
If 3 games cost $56.68, how much would 7 games cost? (hint: find the unit rate first)
$131.32
Solve: 2/7 divided by 16.95
2/118.65
Tables the are proportional are what?
Equal or have patterns
True or false: These two shapes are proportional
true
A line that is straight on a graph and goes through the origin is what?
proportional
You can get 2 board games for $8.36 at the store. Online you can get 3 board games for $12.84, where is it better to buy the board games at? (hint: find the unit rate of cost/game)
Toy store
If there are 15 people in the party and only 2/3 of them have drank punch, what is the unit rate? (people per punch)
30/3 or 10
Is this graph proportional or non-proportional?
Proportional
Is this graph proportional or non-proportional?
non-proportional
A line that is straight on a graph but does not go through the origin is what?
non-proportional
The Spanish club is selling 3 boxes of cookies for $3.55. The Football team is selling 2 boxes of cookies for $2.30. The AVID class is selling 5 boxes of cookies for $5.50. Which is the better buy?
AVID class
A batch of cookies needs 1/6 of a bag of flour. The factory used 1/2 of a bag of flour yesterday. How many batches of cookies did the factory make? (unit rate of used per needed)
3
Which graph is non-proportional? 1st table or 2nd table?
2nd table
Which table is proportional? 1st table, 2nd table, 3rd table or 4th table?
1st table