Precalculus at NHS

Shows mostly how to graph the fuctions but also shows how to get them

Basic way of finding horizontal asymptotes explains how to do it step-by-step

This explains how to complete the square which i one of the three ways to solve quadratic functions

Shows basic examples of how to understand and do rational functions,

Explains the definition, significance and how to solve rational expressions and provides problems to be solved and checked.

Gives a detailed definition of radians with diagrams. Also has a degree to radian conversion function

Explains how to convert radians to degrees and vice-versa. Also has a diagram comparing radians and degrees.

Three pages that explain how to solve exponential equations by using logarithms. Also has step by step examples.

Provides detailed explanations, descriptions and examples on how to find the arc length of a circle.

This site gives the opportunity for someone to solve and check problems themselves while learning about rational functions.

This site gives the background information of polynomial functions and has plenty of examples.

Demonstrates how to multiply and simplify rational expressions, and points out common difficulties.

Tells you all you need to know about rate of change and what you can do with it. Has many illustrations which will help you understand.

Explains what rational expressions are, and describes how to find their domain.

Linear Equations Worksheets, Systems of Linear Equations Worksheets, and Inequalities Worksheets.

Here is a complete explanation about the Remainder Theorem

Explains the reasoning behind the Remainder Theorem, and demonstrates how to use the Theorem.

Linear Equations quiz

This website explains how to solve linear, quadratic, exponential, logarithmic, and trigonometric equations. It also explains how to solve equations containing radicals, absolute value, and fractions. This website contains sample problems along with detailed solutions for each type of equation.

This web page illustrates the process of solving equations of various forms. It also shows you how to check your answer three different ways: algebraically, graphically, and using the concept of equivalence.

examples of linear equations

Demonstrates through worked examples how to do long division of polynomials.