GuessCheck Factoring is a powerful learning aid to help students master the factoring of quadratic trinomials by the Guess-and-Check or Trial-and-Error Method and the solving of quadratic equations.
Interactive Coaching Calculators and Guides combine to speed the learning process.
The Guess-and-Check Method factors harder trinomials such as 3x² + 7x + 4, but also handles simple cases.
Students develop their skills quickly as they work with the calculator and see each step of a process in detail.
- Factoring out the GCF or (-1) × GCF
- Finding factors of coefficient of x²
- Finding factors of constant term
- Setting up Guesses
- Checking with FOIL
Students learn quickly when they focus on a particular step and investigate what happens when the sign of the x-coefficient switches between positive and negative.
The Coaching Calculator focuses on quadratic trinomials with coefficients up to 99.
The in depth Guide is ideal for students as the menu design reinforces each problem solving step and examples highlight and simplify algebra that students find hard.
For convenience, the app also has Coaching Calculators covering many quadratic factoring and solving methods :
- factoring by Box or Grid method
- factoring by Grouping or AC method
- factoring by Difference of Squares
- solving by factoring
- solving by quadratic formula
- solving by Completing the Square
iOS 7 version.
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- Last changed:
- Sep 25, 2013
- Walter Kissach
- Average Rating:
- 3.00 (19)
- 1.6 MB
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