Quadratic Inequalities at App Store analyse

App power index: 420 (based on ranks around App Stores today)
Reference Education
Developer: Walter Kissach
Price: 0 free
Current version: 7.0, last update: 1 year ago
First release : 14 Oct 2008
App size: 1.88 Mb
4.6 ( 5296 ratings )
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Estimation application downloads and cost

> 9.24k
Monthly downloads
~ $ 3.78k
Estimation App Cost


A power learning aid combining Practice, Coaching Calculators and Guides to help students master the solving of quadratic inequalities by sketching associated graphs.

Coaching Calculators cover :

Solving quadratic inequalities

- by sketching associated graph

The Guide covers :

- Writing in general form
- Finding the graph shape
- Finding the x-intercept(s) if any
- Sketching the graph
- Finding the solution by inspection

Examples cover major types of quadratic inequalities and feature the finding of x-intercepts by factoring, completing the square and the quadratic formula.

The app also includes Guides and Coaching Calculators for finding the vertex of a quadratic graph :

- by completing the square
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Available in countries
Country Price
Canada 1.39 CAD
China 6 CNY
France 1.09 EUR
Germany 1.09 EUR
Italy 1.09 EUR
Netherlands 1.09 EUR
Portugal 1.09 EUR
Spain 1.09 EUR
Poland 1.09 EUR
UK 0.99 GBP
India 79 INR
Japan 120 JPY
Korea, Republic Of 999.99 KRW
Poland 4.99 PLN
Russia 75 RUB
Turkey 6.99 TRY
USA 0.99 USD
Korea, Republic Of 1.09 USD
Ukraine 0.99 USD
Available for devices
iPad2Wifi, iPad23G, iPhone4S, iPadThirdGen, iPadThirdGen4G, iPhone5, iPodTouchFifthGen, iPadFourthGen, iPadFourthGen4G, iPadMini, iPadMini4G, iPhone5c, iPhone5s, iPadAir, iPadAirCellular, iPadMiniRetina, iPadMiniRetinaCellular, iPhone6, iPhone6Plus, iPadAir2, iPadAir2Cellular, iPadMini3, iPadMini3Cellular, iPodTouchSixthGen, iPhone6s, iPhone6sPlus, iPadMini4, iPadMini4Cellular, iPadPro, iPadProCellular, iPadPro97, iPadPro97Cellular, iPhoneSE, iPhone7, iPhone7Plus, iPad611, iPad612, iPad71, iPad72, iPad73, iPad74, iPhone8, iPhone8Plus, iPhoneX,