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IB DP Maths: AA HL复习笔记2.2.3 Solving Quadratics

Category: IB课程, 教材笔记, 福利干货 Date: 2022年7月11日下午5:50

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Solving Quadratics Equations

How do I decide the best method to solve a quadratic equation?

If it is a calculator paper then use your GDC to solve the quadratic
If it is a non-calculator paper then...
- you can always use the quadratic formula
- you can factorise if it can be factorised with integers
- you can always complete the square

How do I solve a quadratic equation by the quadratic formula?

How do I solve a quadratic equation by completing the square?

Exam Tip

Worked Example

2-2-3-ib-aa-sl-quadratic-equations-a-we-solution

2-2-3-ib-aa-sl-quadratic-equations-b-we-solution

2-2-3-ib-aa-sl-quadratic-equations-c-we-solution

转载自savemyexams

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