One
Which of the following scatter plots depicts a negative relationship between the dependent and independent variables? (2)
C
Look at the scatter plot below. Choose the best answer regarding the causal relationship between the variables. (3)
Number of cousins is not associated with number of hats owned
Select all that apply.
Which set of ordered pairs represent a function?
A. {(−4,9),(−4,−4),(−4,−4),(−4,−8)}
B. {(3,−7),(−8,2),(3,−3),(3,−3)}
C. {(10,−8),(10,−6),(10,1),(10,1)}
D. {(−10,3),(−6,−2),(2,−6),(0,1)}
E. None of the above
D. {(−10,3),(−6,−2),(2,−6),(0,1)}
Holly's car keeps track of the number of gallons of gas Holly has gone through based on the number of miles she has driven on a trip. These data points are graphed on the following scatter plot.In general, what happens to the amount of gas used as the number of miles driven decreases? (1)
It decreases.
State whether the mapping diagram below represents a function. (7)
Yes, the diagram represents a function.
What is the domain of this function? (9)
{ -5, -3, 4, 9 }
Complete the table given the information below.
A cake recipe calls for 5 cups of flour.
This can be expressed as f=5c.
Given a target number of cakes, how many cups of flour are required? (18)
5, 15, 20
State whether the graph represents a function. (6)
No, the graph does not represent a function.
What is the domain and range of this function? (8)
D = { -5, -3, 3, 6, 9 }
R = { -5, -1, 1, 7, 9 }
State whether the set represents a function. (5)
No, the set does not represent a function.
Identify the slope and y-intercept for the linear equation below.
y=3/5x−1
m = 3/5
b = -1
Graph the equation below. (17)
y=5/4x+3
Not Applicable Here. Free Points!
Identify the independent and dependent variables. (14)
The independent variable is w and the dependent variable is m.
Identify the slope and y-intercept of the line below. (12)
m = 0
b = 5
Identify the correct equation of the line. (10)
y = -x + 4
Horace's phone is at 10% when he decides to plug it in. For each minute he keeps his phone plugged in, the battery gains an additional 5%. The phone battery's total charge is the amount it had when first plugged in plus the amount gained with each minute Horace keeps it plugged in. Which of the following choices correctly identifies the dependent variable of this situation?
The phone battery's total charge
It costs an appliances company an initial flat rate of $34.00 to request a shipment of products, with an additional $4.50 charged per item. Write an equation in slope-intercept form where x represents the number of items manufactured, and y represents the total cost of the appliances.
y = 4.50x +34
Choose the context that generates the linear equation shown in the table below. (20)
Janie is baking cookies. She starts out with 5 cookies already prepared and bakes 9 cookies per hour.
Choose the context that generates the linear equation given below.
y=6x+10
A. Athena buys a plant. The plant grows at a rate of 16 centimeters per week.
B. Athena's job is to fill a pool with water. Initially, it contains 10 gallons of water and she fills it at a rate of 6 gallons per minute.
C. Athena wants to rent a boat. The rental shop charges an initial fee of $6 plus $10 per hour to rent the boat.
B. Athena's job is to fill a pool with water. Initially, it contains 10 gallons of water and she fills it at a rate of 6 gallons per minute.
Identify the slope and y-intercept of the line below. (13)
m = 2/5
b = 3