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UNIT 05 January
1. Solve using the four methods and write what kind of system we have:
a) �
𝟐𝟐𝒙𝒙 − 𝒚𝒚 = 𝟎𝟎
𝒙𝒙 + 𝒚𝒚 = 𝟑𝟑
GRAPHICAL METHOD
Axel Cotón Gutiérrez Mathematics 4º ESO Exercises – 4.5.1.1
UNIT 05 January
SUBSTITUTION METHOD
EQUALIZATION METHOD
ELIMINATION METHOD
Axel Cotón Gutiérrez Mathematics 4º ESO Exercises – 4.5.1.2
UNIT 05 January
b) �
𝟔𝟔𝒙𝒙 + 𝟐𝟐𝟐𝟐 = 𝟔𝟔
𝟑𝟑𝒙𝒙 + 𝒚𝒚 = 𝟎𝟎
GRAPHICAL METHOD
Axel Cotón Gutiérrez Mathematics 4º ESO Exercises – 4.5.1.3
UNIT 05 January
SUBSTITUTION METHOD
EQUALIZATION METHOD
ELIMINATION METHOD
Axel Cotón Gutiérrez Mathematics 4º ESO Exercises – 4.5.1.4
UNIT 05 January
c) �
𝒙𝒙 − 𝒚𝒚 = 𝟏𝟏
𝟐𝟐𝒙𝒙 − 𝟐𝟐𝟐𝟐 = 𝟐𝟐
GRAPHICAL METHOD
Axel Cotón Gutiérrez Mathematics 4º ESO Exercises – 4.5.1.5
UNIT 05 January
SUBSTITUTION METHOD
EQUALIZATION METHOD
ELIMINATION METHOD
Axel Cotón Gutiérrez Mathematics 4º ESO Exercises – 4.5.1.6

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4 ESO Academics - Unit 05 - Exercises 4.5.1 - Systems of Linear Equations.

  • 1. UNIT 05 January 1. Solve using the four methods and write what kind of system we have: a) � 𝟐𝟐𝒙𝒙 − 𝒚𝒚 = 𝟎𝟎 𝒙𝒙 + 𝒚𝒚 = 𝟑𝟑 GRAPHICAL METHOD Axel Cotón Gutiérrez Mathematics 4º ESO Exercises – 4.5.1.1
  • 2. UNIT 05 January SUBSTITUTION METHOD EQUALIZATION METHOD ELIMINATION METHOD Axel Cotón Gutiérrez Mathematics 4º ESO Exercises – 4.5.1.2
  • 3. UNIT 05 January b) � 𝟔𝟔𝒙𝒙 + 𝟐𝟐𝟐𝟐 = 𝟔𝟔 𝟑𝟑𝒙𝒙 + 𝒚𝒚 = 𝟎𝟎 GRAPHICAL METHOD Axel Cotón Gutiérrez Mathematics 4º ESO Exercises – 4.5.1.3
  • 4. UNIT 05 January SUBSTITUTION METHOD EQUALIZATION METHOD ELIMINATION METHOD Axel Cotón Gutiérrez Mathematics 4º ESO Exercises – 4.5.1.4
  • 5. UNIT 05 January c) � 𝒙𝒙 − 𝒚𝒚 = 𝟏𝟏 𝟐𝟐𝒙𝒙 − 𝟐𝟐𝟐𝟐 = 𝟐𝟐 GRAPHICAL METHOD Axel Cotón Gutiérrez Mathematics 4º ESO Exercises – 4.5.1.5
  • 6. UNIT 05 January SUBSTITUTION METHOD EQUALIZATION METHOD ELIMINATION METHOD Axel Cotón Gutiérrez Mathematics 4º ESO Exercises – 4.5.1.6