Evan's grandmother gave him 6 marbles for his birthday. Every month thereafter, Evan bought 5 more marbles to add to his collection.
What is the rate of change for the situation?
6 marbles per month
5 marbles per month
11 marbles per month
16 marbles per month
An industrial machine is consuming fuel at a constant rate. The graph shows the amount of fuel remaining in the fuel tank after a number of hours of operation.
Which equation models the relationship shown in the graph?
y=-16x+80
y=-5x+80
y=16x+5
y=80x-16
The scatterplot represents data on the distances of several homes from shopping and parks.
Which best describes the relationship displayed by the scatterplot?
Strong Positive correlation
Strong Negative correlation
No correlation
Weak Positive correlation
Weak Negative correlation
Based on the line of best fit for the scatterplot, what are the predicted sales when the temperature is 20 degrees Celsius?
$400
$450
$500
$550
Which line correctly illustrates a good line of best fit for the data set?
Which equation represents the line of best fit?
y=-0.9x+11
y=-0.9x-11
y=0.9x+11
y=0.9x-11
Fernando cleans pools for the summer for $25 an hour plus a supply fee of $15.
What is the y-intercept, and what does it represent?
The y-intercept is $25. It represents the amount Fernando charges per hour.
The y-intercept is $25. It represents the supply fee.
The y-intercept is $15. It represents the amount Fernando charges per hour.
The y-intercept is $15. It represents the supply fee.
A math teacher records his students' hair color and eye color. The two way frequency table shows the results.
Of all the people surveyed, what is the relative frequency that the person had brown hair and brown eyes?
0.25
0.30
0.40
0.50
A marketing firm surveyed a group of people to determine their preference for coffee or tea.
Of the females surveyed, what percent preferred tea?
13%
25%
34%
37%
Fifty students from each grade were surveyed.
The two way table shows the results of the survey on types of flooring in student rooms.
What value of m completes the two way table?
33
21
17
13
What is happening in this graph?
The object is slowing down.
The object is moving at a constant speed (cruise control).
The object is slowing down.
The object is at rest (not moving).
What is happening in this graph?
The objects started moving from different places.
The objects are stopped in different locations.
One object is traveling at a faster constant speed than the other.
The objects are stopped in the same location.
The graph displays the speed in miles per hour of a car for 25 minutes. During which period of time is the car stopped?
0-10 minutes
10-20 minutes
20-25 minutes
The car never stopped moving once it started.
For babysitting, Teresa charges a flat fee of $12, plus $4.50 per hour.
Which equation represents the situation?
y=12x+4.50
y=16.50x
y=4.50x+12
y=4.50x
In which section(s) is the graph increasing linearly? Choose ALL that apply.
A
B
C
D
E
F
G
Of all the students surveyed, what is the relative frequency that the student was a male living on campus?
0.36
0.38
0.09
0.16
Ty is doing a science fair project and measuring how his seedling is growing. The plant growth can be described by the equation y=0.65x+4, where x represents the number of days and y represents the height of the plant (cm).
How tall is the plant after 5 days?
4 cm
4.65 cm
7.25 cm
1.5 cm
Ty is doing a science fair project and measuring how his seedling is growing. The plant growth can be described by the equation y=0.65x+4, where x represents the number of days and y represents the height of the plant (cm).
What does the slope represent in this situation?
The height in centimeters
The number of centimeters the plant grows each day
The number of days
The initial height of the plant
Ty is doing a science fair project and measuring how his seedling is growing. The plant growth can be described by the equation y=0.65x+4, where x represents the number of days and y represents the height of the plant (cm).
What does the y-intercept represent in this situation?
The height in centimeters
The number of centimeters the plant grows each day