Painless algebra

A painless beginning

The integers

Solving equations with one variable

Solving inequalities

Graphing linear equations and inequalities

Solving systems of equations and inequalities

Exponents

Roots and radicals

Quadratic equations

Advanced topics.

Painless beginning: Mathematical operations

Zero

Order of operations

Properties of numbers

Number systems

Integers: What are the integers?

Which is greater?

Adding integers

Subtracting integers

Multiplying integers

Dividing integers

What sign does the answer have?

Word problems

Solving equations with one variable: Defining the terms

Solving equations

Solving more equations

Word problems

Solving inequalities: Graphing inequalities

Solving inequalities

Word problems

Graphing linear equations and inequalities: Graphing points

Graphing lines by plotting points

Graphing horizontal and vertical lines

Slope of a line

Finding the equation of a line

Graphing using slope-intercept method

Graphing inequalities

Solving systems of equations and inequalities: Solving systems of linear equations by addition or subtraction

Solving systems of linear equations by substitution

Solving systems of linear equations by graphing

Solving systems of linear inequalities by graphing

Word problems

Exponents: Multiplying exponents with coefficients

Adding and subtracting exponential expressions

Multiplying exponential expressions

Dividing exponential expressions

Raising to a power

Negative exponents

Word problems

Roots and radicals: Square roots

Cube roots and higher

Negative radicands

Radical expressions

Word problems

Quadratic equations: Solving quadratic equations by factoring

Quadratic formula

Word problems

Index.