Ratios
Simplify 16:8
What is 2?
A pattern between two variables where all ratios are equivalent/equal.
The letter that represents the constant of proportionality in y = kx.
For the table x: 3, 5, 7 and y: 12, 20, 28, the constant of proportionality.
What is 4?
The general equation form of every proportional relationship to solve for y.
What is y=kx
The ratio of 3 apples to 4 oranges, written in colon form.
What is 3:4?
As said by the lady in the video, "Y OVER X EQUALS _" in proportional relationships
If y = 20 when x = 4, this is the value of k.
What is 5?
To solve for x with tables with proportional relationships, the formula is.
What is x=y/k or x=1/k(y)
The equation of a proportional relationship with a constant of proportionality of 7.
What is y=7x?
The ratio 12:16 written in simplest form.
What is 3:4?
A recipe calls for 2.5 cups of flour to make 20 cookies. What is the unit rate of cups of flour per cookie?
.125 cups of flour per cookie
A recipe uses 2 cups of flour for every 3 cups of sugar. The constant of proportionality for sugar per cup of flour.
What is 1.5?
A proportional table has k = 3. When x = 6, this is the value of y.
What is 18?
Equation required to solve for x in a proportional relationship.
What is x=y/k or x=1/k(y)
The ratio of boys to girls in a class is 2:3. There are 10 boys. This many girls are in the class.
What is 15?
Every proportional relationship passes through
How many of one thing per one unit of something else. Example: 2.50/bag
What is the unit rate?
For the table x: 2, 4, 6, 8 and y: 3, 7, 11, 15 — is this relationship proportional?
Given that y = 9 when x = 3, the equation of this proportional relationship is. Write two equations.
What is y=3x and x=y/3?
Write three equivalent ratios to 6:8.
What is 3:4, 9:12, 12:16?
y = 30x + 3 represents a proportional relationship.
What is No?
Given the points (4, 10) and (6, 15) on a proportional graph, this is the constant of proportionality.
What is 2.5?
For the table x: 2.5, 5, 7.5, 10 and y: 6, 12, 18.5, 24 — determine whether the relationship is proportional, and explain why.
What is No — the ratio y/x is constant (2.4) for three of the four pairs?
A car is traveling down a highway at a constant speed, described by the equation d=65t, where d represents the distance, in miles, that the car travels at this speed in t hours. How many minutes does it take the car to travel 26 miles at this speed?
What is 24 minutes?