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Quadratic Difference

  • #: 16222
  • Price: $0.99 In Apple Store
  • Category: Education
  • Updated: 2011-01-08
  • Current Version: 2.2
  • 2.2
  • Size: 1.30 MB
  • Language: English
  • Seller: Walter Kissach
  • Requirements: Compatible with iPhone, iPod touch, and iPad. Requires iOS 4.0 or later.
  • © 2008 Walter Kissach
  •  Add to Favorite apps



Quadratic Difference is a quick reference guide to factoring quadratic expressions by the difference of squares.

You follow each step,

Factoring out the the GCF

Writing the terms as squares

Factoring by difference of squares

while working through examples such as

x² - 49

4 - 9x²

50x² - 8

9(x + 6)² - 4x²

A mental workout section covers the solving of problems such as 43 × 37 and 85² using the difference of squares.

The app has a comprehensive set of examples ranging from easy to advanced.

Examples highlight and simplify algebra that students find hard.

Clear text and graphics make the app ideal for quick reference or a longer read.

What's New in Version 2.2

Minor bug fixes.

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The information may be outdated (2011-03-27 19:22:10). For actual information go to iTunes

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