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