# Math 40 Videos

### Course Videos

Each of these links send you to a play list of the videos for that chapter. The videos are listed both by section number and topic.

Chapter 1 — This chapter covers:

• simplifying expressions
• order of operations
• subsets of real numbers (Integers, Rationals, etc.)
• properties (commutative, inverse, distributive, etc.)
• translation (English to math)

Chapter 2 — This chapter covers:

• solving linear equations
• solving linear and compound inequalities
• solving applications of linear equations and inequalities
• geometric formulas
• unit conversion
• compound interest
• solving absolute value equations and inequalities

Chapter 3 — This chapter covers:

• graphing lines
• domain and range
• slope and y-intercept of a line
• definition of a function
• finding the equation of a line
• linear applications
• graphing linear inequalities and systems of linear inequalities

Chapter 4 — This chapter covers:

• solving systems of equations by graphing, elimination and by substitution
• solving applications of systems of equations
• distance, rate and time applications
• geometry applications
• mixture applications

Chapter 5 — This chapter covers:

• exponent rules
• negative exponents
• rational exponents
• scientific notation
• add, subtract and multiply polynomials
• factoring polynomials
• solving quadratic equations by factoring
• solving applications of quadratic equations

Chapter 6 — This chapter covers:

• add, subtract, multiply and divide rational expressions
• simplify complex fractions
• divide polynomials
• solve rational equations
• solve applications of rational equations
• solve direct and indirect variation problems

Chapter 7 — This chapter covers:

• simplifying radicals
• simplifying expressions with rational exponents
• add, subtract, multiply and divide radicals
• solve radical equations
• solve applications of radical equations
• complex numbers (working with “i”)

Chapter 8 — This chapter covers:

• solving a quadratic equation by completing the square
• solving a quadratic equation by using the quadratic formula
• solving quadratic type equations
• solving nonlinear inequalities
• graph parabolas

Chapter 9 — This chapter covers:

• graphing exponential functions
• solving exponential equations
• graphing logarithmic functions
• solving logarithmic equations
• work with the properties of logarithms

Chapter 10 — This chapter covers:

• graphing circles
• graphing ellipses
• graphing parabolas
• graphing hyperbolas
• completing the square to put the equation of a circle of parabola in standard form