Math Vocabulary Line of Best Fit

What is a model in mathematical terms?

• A graph showing data points

• A straight line on a graph

• A type of function with only one variable

• A mathematical representation of a process or concept

What does it mean to interpret something?

• To ignore it

• To draw it

• To calculate its value

• To explain its meaning or significance

What is the initial value in a mathematical function?

• The slope of the line

• The highest value

• The y-intercept

• The x-intercept

What does 'linear' mean in mathematics?

• A complex equation

• A relationship that can be represented by a straight line

• A graph with multiple lines

• A curved line

What is a non-linear relationship?

• A relationship which does not create a straight line

• A relationship without any variables

• A relationship with only one variable

• A relationship that creates a straight line

What does the slope of a line measure?

• The length of the line

• The steepness of the line

• The curvature of the line

• The distance between two points

What is the rate of change?

• The difference between the highest and lowest values

• The ratio of the change in output value to the change in input value

• The total number of changes

• The speed at which a line moves

What are bivariate data?

• Data that cannot be graphed

• Data with two variables from different populations

• Data with one variable

• Data with two variables from the same population

What are quantitative variables?

• Variables that are only qualitative

• Variables that represent names or labels

• Variables whose values are numerical

• Variables that cannot be counted

What is a scatter plot?

• A graph showing only linear relationships

• A graph of a collection of ordered pairs

• A plot used exclusively for qualitative data

• A plot showing a line of best fit