| 开发人员: | Walter Kissach (19) | ||
| 价格: | $0.99 | ||
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| 积分: | 0 + 1 (3.0) ¡ | ||
| App Store | |||
说明
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
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