App Detail » Quadratic Equations

What's New

This version contains minor bug fixes.

App Description

A power learning aid combining Practice, Coaching Calculators and Guides to help students master the solving of quadratic equations.

Coaching Calculators solve quadratic equations by :

- completing the square
- quadratic formula
- factoring

Students learn quickly by working with the calculator and seeing each step of the process in detail.

Completing the square for example:

- Dividing by coefficient of x²
- Taking constant term to right hand side
- Completing the square
- Taking the square root of both sides
- Simplifying and solving

Practice includes examples from basic such as x² + 3x + 2 = 0 to equations with rational (fractional) coefficients.

Guides have a comprehensive set of examples

App Changes

• June 24, 2011 New version 2.1
• June 28, 2012 New version 3.0
• September 29, 2012 New version 3.1
• February 20, 2013 New version 3.2
• September 29, 2013 New version 4.0
• October 04, 2015 New version 5.0
• November 07, 2016 New version 6.0
• June 13, 2019 New version 6.5
• September 26, 2019 New version 6.6
• January 14, 2020 Price decrease: $0.99 -> FREE!
• January 21, 2020 New version 6.7
• January 28, 2020 New version 6.8
• January 28, 2020 Price increase: FREE! -> $0.99
• July 15, 2020 New version 6.9
• August 06, 2021 New version 7.0
• April 25, 2024 New version 7.5