Linear equations and functions videos

Rates & proportional relationships example

Rates & proportional relationships: gas mileage

Graphing proportional relationships: unit rate

Graphing proportional relationships from a table

Graphing proportional relationships from an equation

Intro to the coordinate plane

Solutions to 2-variable equations

Completing solutions to 2-variable equations

Worked example: solutions to 2-variable equations

Intro to intercepts

x-intercept of a line

Intercepts from a table

Intercepts from an equation

Worked example: intercepts from an equation

Intro to slope

Slope & direction of a line

Positive & negative slope

Worked example: slope from graph

Slope of a line: negative slope

Worked example: slope from two points

Slope from equation

Converting to slope-intercept form

Slope of a horizontal line

Intro to slope-intercept form

Worked examples: slope-intercept intro

Graph from slope-intercept equation

Slope-intercept equation from slope & point

Slope-intercept equation from two points

Slope-intercept equation from graph

Slope-intercept form from a table

Slope-intercept form problems

What is a function?

Worked example: Evaluating functions from equation

Function notation example

Worked example: Evaluating functions from graph

Manipulating formulas: temperature

Obtaining a function from an equation

Equations vs. functions

Linear graphs word problems

Linear graphs word problem: cats

Linear equations word problems: volcano

Linear function example: spending money

Modeling with linear equations: snow

Linear equations word problems: earnings

Fitting a line to data

Comparing linear functions: equation vs. graph

Comparing linear functions: same rate of change

Comparing linear functions: faster rate of change

Comparing linear functions word problem: walk

Comparing linear functions word problem: climb

Comparing linear functions word problem: work

Linear functions word problem: fuel

Linear functions word problem: pool

Modeling with linear equations: gym membership & lemonade

Linear functions word problem: iceberg

Linear functions word problem: paint

Recognizing functions from graph

Testing if a relationship is a function

Relations and functions

Checking if a table represents a function

Recognizing functions from table

Checking if an equation represents a function

Recognizing functions from verbal description

Does a vertical line represent a function?

Recognizing functions from verbal description word problems

Recognizing linear functions

Linear & nonlinear functions: table

Linear & nonlinear functions: missing value

Interpreting a graph example

Linear & nonlinear functions: word problem