CoP
Equations
Graphs in Context
Concepts
~Scale Factor~
100
Q#1: The numbers that'll make this a proportional relationship with a CoP equal to 5.
What are 10, 15, and 30?
100
Q#6: The equation for this scenario in y = COPx form.
"Ricardo went to the gas station to fill up his car’s empty tank. He spent $33.75 to fill up his car with 13.5 gallons of gas. Write an equation that can be used to represent the relationship between the cost and the number of gallons.
What is y = 2.5x?
100
Q#11: The meaning of (30, 5) in context.
30 pounds on Earth is the same as 5 pounds on the Moon
100
Q#16: The criteria for a graph to be a proportional relationship.
A straight line passing through the origin
100
Question#21: Are these scale copies? Explain
No, because the sides are not proportional.
200
Q#2: The CoP for the following table.
What is there is no CoP?
200
Q#7: The equation that represents the relationship in between the pounds of apples and cost of apples, using variables, p for pounds and c for cost.
What is c = 0.5p?
200
Q#12: The contextualized CoP of this graph.
5 gallons of water used per 1 minute
200
Q#17: The way we determine which quantity represents the dependent variable in a real-world context.
What is determining which quantity depends on the other?
What is determining which quantity changes because the other quantity changed?
200
Question#21: The image is a scale copy of the object. Is the scale factor greater than or less than 1?
Less than 1 because the image is smaller than the object.
300
Q#3: The CoP of this graph.
What is 2/3?
300
Q#8: The equation that represents this graph, where d is the distance from home (miles) and t is time (hours).
What is d = 46t?
300
Q#13: The contextualized the COP.
There is 1/2 cup of sugar in every Jam Jar.
300
Q#18: The two ways of identifying the CoP on a graph of a proportional relationship.
What are dividing y by x and finding the y-value when x=1?
What are dividing the DV by IV and finding k using the point (1, k)?
300
Question#22: Triangle B is a scale copy of triangle A. What is the scale factor?
The scale factor is 2.
400
Q#4: The CoPs of this graph.
What are 25?
400
Q#9: DAILY DOUBLE: The equations that represent the proportional relationship between cups of red paint (x) and cups of blue paint (y).
What is y = 4x?
400
Q#14: The contextualized value of n in the point (12, n).
There are 6 cups of sugar in 12 Jam Jars.
400
Q#24: The fastest robot based on this graph and the reason that it's the fastest.
What is Robot A because it has the greatest CoP of 5 compared to B (1.5) and C (0.4)?
What is Robot A because it travels a greater distance in a shorter amount of time?
400
Question#24: Triangle C is a scale copy of Triangle A. What is the scale factor?
From triangle A to C the triangle shrunk. The scale factor is 1/2.
500
Q#5: DAILY DOUBLE: The number of minutes it will take the hiker to travel 102 miles.
What is 5100 minutes?
500
Q#10: The equation that represents someone who earns 3 times Amber's wages, assuming it's also a proportional relationship, using variables h for hours worked and p for total pay, in dollars.
What is p = 26h?
500
Q#15: What the difference in speed between the sloth (shown on the graph) and starfish, which travels at 5.3 feet per minute.
What is a difference of 0.7 feet?
500
Q#21: The cost of 25 fluid ounces.
What is there is no CoP?
(Since the ratios are not equivalent)
500
Triangle C is a scale copy of Triangle B. What is the scale factor?
The scale factor has to be less than 1 because the triangle shrunk. 1/4