Show:
Vocabulary
Non-Proportional
Tables and Graphs
Proportional
True or False
100

What are the two variables associated with proportional situations?

What is independent (usually x) and dependent (usually y).

100

$15 a month plus free texts plus $0.20 per minute of call time.

What is y = .20x + 15
100
Does an x-axis and independent variable go at the bottom of a graph or on the side?
What is x-axis and independent variable on the side of a graph?
100
Jessica charges $40 to braid hair. 
What is y = 40x
100
True or False: Ratios can be presented as x:y, x to y, x/y
What is TRUE. There are three ways to show a ratio, and they all mean the same thing.
200

What is the direct variation equation?

What is y = kx

200

Moe's Lawn Service  charges $6 a lawn and $4 for gas.

What is y = 6x + 4
200

In order to make a table proportional... Do both sides throughout the whole table have to be proportional?

What is yes

200
Robert buys 20 Black Panther comic books that cost $3.50 each.
What is y = 3.50x
200
True or False: proportional relationships are not a straight line. 
What is false. Proportional relationships are linear.
300
What is a unit rate?
What is the amount per one?
300

Bill pays $4.00 an hour for parking fees and plus an additional charge of $10.00 to enter the game. 

What is y = 4x + 10
300

Do the numbers on tables have to grow at a constant rate to be proportional?

What is yes!
300

Mats walked three-quarters of a mile in fifteen minutes. What was his approximate speed in miles per hour? 

What is y = 3x
300

True or False: "k" represents the constant of multiple in y = kx

What is false. k represents the constant of proportionality.

400
The origin is...
What is the center of a coordinate plane (0,0).
400

The diameter of a Douglas fir tree is currently 12 inches when it is measured at chest height and grows 2/5 feet per year. 

What is y = 2/5x + 1 or y = 2.5x + 1
400

To find the constant of proportionality using a table.....

Find the value of y/x using one ratio x:y from a single point (x,y) on the table.

400

 There was a blizzard in Toronto and snow was falling at a rate of 7 ½ inches per hour.

What is y = 7.5x
400
True or False: Do lines on a graph have to start at (0,0) to be proportional?
What is true
500
Constant "K" is .....
What is a value that doesn't change
500

The entrance fee for Mountain World theme park is $20. Visitors purchase additional $2 tickets for rides, games, and food.

What is y = 2x + 20

500
If a graph shows a line of data that goes up and down, does it mean it's a proportional relationship?
What is no. The line on a graph must be linear in order to be proportional.
500

Jason worked for the summer (12 weeks) at an amusement park. He earned a regularly salary and made $2,964 over the summer. How much was he paid every month (4 weeks)? 

What is $988 

500
True or False: To find a unit rate on a table, you should add all of the data on the table together and divide by 2.
What is false