Functions
Linear Functions
Systems of Equations
Scatter Plots
Two-Way Tables
100
A relation where each input (x-value) is assigned exactly one output (y-value).
What is a Function?
100
This is y = mx + b
What is slope-intercept form?
100
When given a system of equations, this is where you look on a graph to find the solution.
What is the point of intersection?
100
The scatter plot below shows this association.
What is a negative association?
100
A two-way table shows this type of data?
What is bivariate categorical data?
200
This is how you determine if a graph represents a function.
What is the Vertical Line Test?
200
The graph below shows the number of miles, y, Jackson ran over several weeks, x, while he was training for a competition.
This part of the linear equation represents the number of miles jackson ran before starting his training.
What is the y-interecept?
200
This is the solution to the system of equations.
y = -3x + 2
y = 4x - 5
What is (1, -1)?
200
A set of data is shown in the graph.
This type of relationship best describes the data.
What is positive and nonlinear?
200
All the students at a middle school were asked to identify their favorite academic subject and whether they were in 7th grade or 8th grade. Here are the results:
This is the number of 8th graders who prefered Math or Science.
What is 72?
300
The graph shows a function.
This interval of the graph is linear and decreasing.
What is Z?
300
This scatterplot shows the number of hours each student studied and the grade scored. It was determined that y= 7.8x + 61 is a good model for the data set. The slope represents this.
What is "A student’s grade increased by about 7.8 points for every 1 hour studying"?
300
This is the x-value of the solution to the system of equations.
y = 2x + 3
y = -2x + 7
What is 1?
300
This table shows the height and corresponding volume of 6 different boxes.
This best describes the association between the height of a box and its volume?
What is a positive linear association?
300
All the students at a middle school were asked to identify their favorite academic subject and whether they were in 7th grade or 8th grade. Here are the results:
This is the percent of 7th graders who prefered history.
What is 31%?
400
This ordered pair could be removed to create a set of ordered pairs that shows y as a function of x.
{(-2, 3), (0, 3), (-2, 0), (3, 3), (0, 3), (4, -3)}
What is (-2, 0) or (-2, 3)?
400
This is the equation of the linear function represented by this graph. 
What is y = -3x + 2?
400
One line passes through the points (–1, 6) and (2, 0). A second line passes through the points (–5, 5) and (–1, 9).
This is the point where the two lines intersect?
What is (-2, 8)?
400
A scatter plot shows a negative linear relationship between the time spent reviewing a writing assignment and the number of spelling mistakes on it.
Which of the following statements describe possible relationships between the variables?
A. As the review time decreases, the number of spelling mistakes increases.
B. As the review time increases, the number of spelling mistakes increases.
C. As the review time decreases, the number of spelling mistakes decreases.
D. As the review time increases, the number of spelling mistakes decreases.
What is A and D?
400
A book club has 200 members. each member was asked whether they prefer fiction or nonfiction books. The results are shown in the relative frequency table below.
This is the number of members who prefer fiction.
What is 140?
500
The graph of a function is shown below.
This is the interval in which the graph is linear, positive, and increasing.
What is x = -3 to x = 3
500
This is the equation of the line that passes through the points (-6, 3) anad (2, 7).
What is
y = 1/2 x + 6?
500
Nathan and Jackson are each saving money.
Nathan has $15 saved and plans to save $5 more each week.
Jackson has $25 saved and plans to save $4 more each week.
This is the number of weeks it be before both boys have saved the same amount of money?
What is 10?
500
This is the type of association found between time spent doing homework and the number of problems left to complete.
What is a negative association?
500
A college surveyed 3,500 of its students to determine if the students preferred music, movies, or sports. The results of the survey are show in the reltative frequency table below.
How many more seniors than juniors were included in the survey?
What is 70?