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

What are the two variables associated with proportional situations?

independent and dependent

100

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

What is y = .20x + 15
100

Where is the x-axis located on a graph (describe it), is this independent or dependent?

the horizontal line, independent 

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

How do I calculate the slope?

y2-y1 / x2-x1

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?

slope, rate of change, amount for 1 unit

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: "b" represents base in y = mx + b

What is false. B represents the y-intercept

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 slope using a table.....

Find the change in Y over the change in X or y2-y1 / x2-x1

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 .....

the unit rate for a proportional relationship


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