equations of tangent lines 15 videos

Horizontal and Vertical Lines
PreAlgebra Graphing in Two Dimensions
Equations and slopes of horizontal and vertical lines

Line of Best Fit
PreAlgebra Introductory Statistics
Overview of correlation, scatterplots, and line of best fit

Graphing Equations by Making a Table of Values
PreAlgebra Graphing in Two Dimensions
Graphing a line by making a table of values

Solvling fraction equations
PreAlgebra Fractions and MIxed Numbers
Solving two step equations that involve fractions

Solving Equations with Decimals
PreAlgebra Decimals and Percents
Review of operations with decimals in order to solve equations with decimals

Solving Equations  one variable term
PreAlgebra Solving Equations and Inequalities
Solving two step equations with integers

Solving Equations with fractions and decimals by "Clearing"
PreAlgebra Solving Equations and Inequalities
Solving equations with fractions by multiplying by the least common multiple

Solving Equations two variable terms
PreAlgebra Solving Equations and Inequalities
Simplify each side of an equation before solving with two variable terms

Comparing Fractions
PreAlgebra Fractions and MIxed Numbers
Comparing fractions using < or > and ordering them on the number line

Addition and Subtraction with Decimals
PreAlgebra Decimals and Percents
Adding or subtracting decimals by vertically lining up the zeros

Graphing One Variable Inequalities
PreAlgebra Solving Equations and Inequalities
Graphing one variable inequalities on a number line

Adding and Subtracting
PreAlgebra Whole Numbers
Using the number line to represent adding and subtracting whole numbers

Graphing from SlopeIntercept form
PreAlgebra Graphing in Two Dimensions
Concept of slope and graphing lines using the slope and y intercept

Formulas
PreAlgebra Solving Equations and Inequalities
The importance of solving literal equations for a given variable