A painless beginning. Mathematical operations ; Zero ; Order of operations ; Properties of numbers ; Number systems -- The 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 ; The quadratic formula ; Word problems.