Proportions
Slope
y-Intercept
Unit Rate
Vocabulary
100
A model of a boat has the scale of 1 inch : 8.5 feet. If the length of the model of the boat measures 5.5 inches, how long is the boat in real life?
What is 46.75 feet?
100
Fill in the blanks: Every slope can be called the __________ in ____ over the __________ in ____.
What is the change in y over the change in x.
100
Name the point at which any line on a graph crosses the vertical axis.
What is the y-intercept.
100
The most common type of unit rate that is usually seen on signs along the road.
What is miles per hour.
100
The rate of change of a table, graph, or equation is another phrase for...
What is slope.
200
The multiplier value for when x is 4 and y is -12. Remember - proportional relationships are in the equation form y=mx.
What is -3.
200
When finding slope on a graph, you can use this alliteration.
What is rise over run.
200
Which of the following are y-intercepts: (2, 0) (0, 5) (-3, 0) (0, -8)?
What is (0, -8) and (0, 5)
200
A family drives 744 miles in 12 hours. How fast are they traveling?
What is 62 miles per hour.
200
This equation shows a non-proportional relationship.
What is y = mx + b.
300
The equation that represents a proportional relationship.
What is y=mx.
300
The slope between (-6, 2) and (-2, 8).
What is 3/2.
300
The letter that represents the y-intercept in an equation.
What is b.
300
After three hours of working, Jane has made 12 cakes. Six hours later she has finished her order of 36 cakes. How many cakes does she make per hour?
What is 4 cakes.
300
This kind of relationship has a line that goes through the origin and all (x, y) values in a table have a common ratio.
What is proportional.
400
X and y vary directly when x = 72 and y = -9. Find the value of y when x equals 16.
What is -2.
400
A baby panda weighs 24 pounds when it is 2 months old. At its 6 month check-up the panda now weighs 72 pounds. How much weight is the panda gaining per month?
What is 12 pounds.
400
A line with any y-intercept other than the origin is considered...
What is non-proportional.
400
After 2 minutes of water being filled, a bathtub has a depth of 5 inches. After 6 minutes of being filled, the bathtub has a depth of 15 inches. At what unit rate is the tub being filled?
What is 2.5 inches per minute.
400
Proportional and non-proportional lines are both considered ______________ functions.
What is linear.
500
A boat's weight and it's length vary directly. A 6 ft. boat weighs 1,440 pounds. Find the weight of a boat that is 9 feet long.
What is 2,160.
500
After 6 months of saving, Jessa has $120 in her account. Three months later, she has $174. How much is she saving each month?
What is $18 per month.
500
Larry initially deposits $500 into his nephew's savings account. Then he gives his nephew $50 per month. What is the y-intercept?
What is $500.
500
A full barrel can hold 120 gallons of water. After 6 hours of draining, the barrel has 96 gallons of water left. How many gallons are draining per hour?
What is 4 gallons per hour.
500
The phrase 'varies directly' is another way of expressing a ___________________ relationship.
What is proportional.