Geometry and Coordinate Geometry:
- Sectors of Circles ... finding arc length and area.
- Distance From a Point to a Line ... five ways to calculate the distance from a point to a line.
- The 3D Pythagorean Theorem ... find out how the distance formula works in three dimensions!
- Volume of a Frustum ... finding the volume of the bottom of a cone; commonly used to find the volume of a grain pile.
Algebra:
- The Circle - Slope Relationship ...examine the connection between the equation of a line and circumferences of circles.
- Equations Quizzes on solving a variety of high school math equations, from Math 9 through Math 30. [IE4+ requ'd]
- Factoring ... online help, including an interactive 'Flow Chart', to help you with your factoring homework ... and a quiz.
Trigonometry:
- Trigonometry ... a complete review of the basics. Includes a quiz too!
- The CAST Diagram ... a trigonometric tool explained, with a quiz!
Exponents, Radicals, and Logarithms:
- Simplifying Square Roots ... lots of examples!
Functions, Relations, and Graphs:
- Functions ... definition, examples, function notation & quiz, and the vertical line test.
- Composite Functions ... examples, and a quiz.
- Discontinuous Functions ... examples of continuous and discontinuous functions.
- A Graphing Calculator for your computer, free to download. Check it out here.
- Equation Grapher ... explore and experiment with simple functions of the form y = m xn + b
- Absolute Value and Functions ... what happens when the equation includes absolute value bars. A quiz too!
- The Circle ... the equations for a circle, and a quiz.
Miscellaneous:
- Common Mathematical Symbols
- Sets of Numbers ... we explain all the sets you need to know about, from Whole numbers, through the Complex set of numbers, with examples.
- Infinity ... the strange properties of this unwriteable 'number'.
- Unit Converter .. a powerful units conversion program for you to download. Visit the page and find out more.
- Graph Paper Maker ... download a free program that makes all types of graph paper that you can print from your computer!
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