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The concept of combinations and permutations is introduced and explained. Statement of the Binomial Theorem. Pascals' Triangle and its relation to Binomial Theorem. Expanding polynomials using the Binomial Theorem. An overview of the use of parametric equations, including parametrizing functions and finding a function for a set of parametric equations. Topics include parametrizing lines, segments, circles and ellipses, and peicewise functions.

An introduction to the polar coordinate system. Topics include graphing points, converting from rectangular to polar and polar to rectangular coordinates, converting degrees and radians, and polar equations. Introduction to the concept of matrices. Different types of matrices discussed.

Matrix algebra including addition, subtraction and multiplication. Matrix inverses and determinants. Matrix Addition and Subtraction. Reduction to Row Echelon Form. Many times we come cross systems of equations and we're usually at odds with how to solve them.

Most times we deal with two-variable or three-variable systems of equations but the methods explained in this section can be used to solve any number variable system of equations. The trick is picking which one would work better and faster for you. Consistent and Inconsistent Systems. Precalculus Help and Problems Topics in precalculus will serve as a transition between algebra and calculus , containing material covered in advanced algebra and trigonometry courses.

Sets A brief overview of sets, one of the fundamental principles of mathematics. Exponential Functions An extension of exponents in terms of functions, as well as introducing the constant e. Logarithmic Functions A more in depth look at logarithms and logarithmic functions, as well as how they relate to exponents.

Radical Functions An introduction to functions with square roots and radicals and how they relate to conic sections.

Series and Sequences Sequences and Series always go hand in hand and they introduce the concept of Mathematical Patterns and how to deal with them. The major types of series and sequences include: Basic Formulas to Know. Horizontal and Vertical Lines Review. Increasing and Decreasing of Functions Review.

More On Sideways Parabolas. The Difference Quotient Review. Advanced Composition of Functions. Other Identities to Know. Graphs to Know and Love. More on Tangent Lines. Intro to Rational Functions. Rational Functions - Intercepts. Rational Functions - Vertical Asymptotes. Rational Functions - Horizontal Asymptotes and Slants.

Learn precalculus for free—trigonometry, conic sections, matrices, complex numbers, combinatorics, and more. Full curriculum of exercises and videos.

Precalculus review and Calculus preview - Shows Precalculus math in the exact way you'll use it for Calculus - Also gives a preview to many Calculus concepts.

Online precalculus video lessons to help students with the notation, theory, and problems to improve their math problem solving skills so they can find the solution to their Precalculus homework and worksheets. Step-by-step solutions to all your Precalculus homework questions - Slader.

Precalculus Help and Problems Topics in precalculus will serve as a transition between algebra and calculus, containing material covered in advanced algebra and trigonometry courses. Precalculus consists of insights needed to understand calculus. Learn how to solve trigonometric equations and how to use trigonometric identities to solve various problems.