Rates/Ratios
a comparison of two items
What is ratio
What is the equation to find K- or the constant of proportionality
What is y=y/x
Define the rest of Scale Drawing: a drawing that shows a real object that is_______________________
What is reduced or enlarged at a certain amount (or larger)
If Janessa has 3 hearts and 2 stars, what is her ratio?
3/2
How can you determine if a set of ratios is a proportion?
What is the constant in this equation : y=3x
What is "3"
Finish this definition for Scale Factor: the____________ of any two corresponding measurements
What is ratio?
Jeremias can type 160 words per 2 minutes. Find the rate.
What is 80 words per minute?
You and your friends go to a movie theater. You are trying to decide which deal is better.
Deal 1: you can buy 4 boxes of popcorn for $2.50
Deal 2: you can buy 2 boxes of popcorn for $1.23
If you are trying to spend the least amount of money per box, which is a better deal per box of popcorn?
What is the constant of this ordered pair (3,2)
What is 2/3?
On a blueprint, the scale is 1 inches = 5 feet. If your drawing on the blueprint is 5 inches, how big is the room in real life?
What is 25 feet?
What is the better deal? Where should Quintarius work?
Chik-fil-A: $42 per 7 hour shift
Taco Bell= $50 per 4 hour shift
What is Taco Bell?
I can travel 48 miles in 4 hours. My brother can travel 84 miles in 7 hours. Are these two proportional with each other?
yes 336=336
If my constant is 24/2, if I reduce this, what would be constant be?
If I have a square whos two sides are 2 and 3, and a second square whos side is 4, what would the other side be?
What is 6?
A rate where the denominator is one.
What is a unit rate?
5 gallons of water was used in 1 minute. 50 gallons of water was used in 10 minutes. Are these two proportional to each other?
yes 50=50
Finish this definition for "constant of proportionality? It is a ratio between ______________________
What is two directly proportional quantities?
Each side of a figure that is similar has sides that are _________________ to each other
What is proportional?