PowerPoint Presentation

QUADRATIC

EQUATION (QE)

PART 1

Basic Competencies

MGMP Matematika

SMPK PENABUR Jakarta

3.2 Explain quadratic equation and their characteristics based on their roots and how to solve them

4.2 Solve problem related to quadratic equation

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CONCEPT MAPS

QUADRATIC EQUATION

Determine the roots of the equation

Constructing a quadratic equation

Factoring

Perfect square

ABC Formula

Application

MGMP Matematika

SMPK PENABUR Jakarta

Use Factor

The sum and product of the roots

Each equation above has one variable

and has the highest degree is two.

Notice the following examples !

The equations are called quadratic equation

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EXPLORATION

How to find the value of x ?

Find another solution !

Find another solution !

Determine the roots of QE

Factoring

Perfect Square

ABC Formula

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Distributif

a² – b²

ax² + bx + c = 0 ; a = 1

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FACTORING

Example (1) Distributive Factoring

Trial (1) Distributive Factoring

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Example (2) Factoring a² – b²

Trial (2) Factoring a² – b²

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Requirement :

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Requirement :

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THANK YOU

MGMP Matematika SMPK PENABUR Jakarta