A1 Vocabulary Application of Linear Functions

Front

slope-intercept form

Back

y=mx+b

Front

standard form

Back

Ax+By=C

Front

point slope form

Back

y-y₁=m(x-x₁)

Front

Direct Variation

Back

A relationship between two variable quantities with a constant ratio. y=kx

Front

x-intercept

Back

the x-coordinate of a point where a graph crosses the x-axis. Also called zeroes, solutions, or roots.

Front

y-intercept

Back

the y-coordinate of a point where a graph crosses the y-axis

Front

Correlation Coefficient

Back

numeric value that assesses the strength of the linear relationship between two quantitative variables in a set of bivariate data (from -1 to +1)

Front

Association

Back

a relationship or correlation between two measurable variables

Front

Causation

Back

a relationship between two variables in which one variable directly causes change(s) in the other variable

Front

Line of best fit

Back

a line drawn in a scatter plot to fit most of the dots and shows the relationship between the two sets of data. (also called a Regression Equation)