Circle Graphs
Describing Association
Slope of a Line
Linear Equations
Homework Problems
100
What percent in Math?
What is 24%
100
How would you describe the association of this graph?
What is no association?
100
What is the slope of this line?
What is -3?
100
What is the linear equation of the line?
What is
y=4/5x+4
100
Simplify the following expressions:
4/7-(-3/8)
What is
53/56 ?
200
What percent of the circle is food?
What is 40%
200
How would you describe this association of this graph?
What is positive, non-linear, strong association with one outlier?
200
What is the unit rate of the line? 
What is 3.5?
200
What is the equation of the line?
What is
y=3/2x+2
200
Solve the equation: 6(2x−5)=−(x+4)
What is x=2?
300
According to the graph, what percent of the energy in the United States comes from coal?
What is 23%?
300
How would you describe this association of this graph?
What is negative, linear, moderate association?
300
Lydia drew a graph of four athletes in the final part of the triathlon, the 10 km run. She found the slope of each runner’s line. List the runners from slowest to fastest.
Runner A: slope =2/6 Runner B: slope =3/7
Runner C: slope =5/12 Runner D: slope =4/10
What is A, D, C, B?
300
What is the difference in the linear equations of lines A and B?
What is B has a negative slope(m)?
300
At the zoo, three adult lions together eat 250 pounds of food a day. If two more adult lions joined the group and ate food at the same rate as the original three, how much food would the zoo need to provide all five lions each day?
What is ~416.7 pounds of food?
400
The school library has 6500 titles in its collection of books, magazines, and reference materials. How many of the books in the library are fiction?
What is 2925 fiction books?
400
Would you expect a scatterplot comparing “speed of a car” and “time it takes to drive 10 miles” to show a positive association, a negative association, or no association?
What is negative association?
This would be an example of a negative association, because as the speed increases, the time it takes to drive a constant distance decreases.
400
What are the slopes of the following lines?
What is A=5/2, B and C= 1/3
400
What is the linear equation for line B?
What is y=4?
400
Solve
x+0.15x=2
What is x~1.74?
500
If there are 30 total vehicles, what is the central angle for all of the vehicles?
What is cars = 144°, truck = 108°, SUV = 72°, minivan = 36°?
500
What is a situation that would describe this scatterplot?
See answers
500
What is the slope of the line that passes through the points (2,−4) and (5,2)?
What is 2?
500
Find the equation of the line that goes through the points (–6,3) and (–3,–1).
What is y=-4/3x-5
500
1/6x+2/3=1/4x-1/3
What is x=12?