Graphing Linear Functions

Front

y = mx + b

Back

An equation of a straight line

Front

Slope-intercept form

Back

y = mx + b

Front

Slope (m)

Back

Rise over run OR

The steepness of a line OR

The rate of change

Front

Y-intercept (b)

Back

Point where line crosses y-axis

Front

How do you graph a linear function?

Back

Plot y-intercept, use slope to find another point

Front

Positive slope

Back

Line rises from left to right

Front

Negative slope

Back

Line falls from left to right

Front

Zero slope

Back

Horizontal line

Front

Undefined slope

Back

Vertical line

Front

Identifying slope from graph

Back

Count rise over run between two points